Locked Bonnet Needle Gauge Valves
Locked Bonnet Gauge Valves
LN Series gauge valves are designed to allow replacement and calibration of pressure gauges, pressure transmitters, and other instruments. They are multi-port gauge valves featuring LN Series bonnets for both isolation and three outlet ports for instrument mounting and maintenance.
Our website contains the most popular LN Series needle valve configurations - more options and accessories are available. For more information, contact SSP Customer Service.
Specifications
- Pressure: Up to 6,000 psig (413 bar)
- Temperatures:-100 to 1200° F (-73 to 648° C)
- Stems:
- Metal Seal: Vee Tip
- Soft Seal: PCTFE Tip
- Material
- Body: 316 SS, Alloy 400, and Alloy C-276.
- Packing: PTFE, Grafoil
- Orifice Sizes: 0.250
- End Connection
- Size: 1/4, 1/2, and 3/4 in.
- Type: MNPT, FNPT threaded pipe ends and Pipe Socket Weld, Pipe Butt Weld, Doulok, Griplok and Unilok tube end. Others are avialable
- Extended inlets: 4 and 6 in. on three port gauge valves.
LN Series Gauge Valve Options and Accessories
In addition to the product offered on our website, other options and and accessories are available. These include:
- Pipe Socket Weld End Connections
- Speciall Clean in accordance with ASTM 93G Level C
- Sour Gas Service (NACE MR01-75/ ISO 15156)
- Panel Mount Nut
- Rebuild Kits
- Block & Bleed Valves
- Rising Plug Gauge Valves.
Part # |
CAD |
Body Material |
Inlet Type |
Inlet Size |
Outlet Type |
Outlet Size |
Orifice |
Handle Type |
Stem Type |
B2 |
I |
Packing Material |
Stem Material |
Gauge Port Size |
Production Category |
Connection 3 - Type |
Connection 3 - Size |
Connection 4 - Type |
Connection 4 - Size |
Handle Color |
Product Descriptions |
Description Text |
Inlet Size |
Outlet Size |
A_NUM |
B |
B_NUM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LNG6VG-12PSWL4-8PF-M |
CAD
N/A 
|
Body Material N/A Alloy 400 | Inlet Type N/A Pipe Socket Weld-4" Extended Inlet | Inlet Size N/A 3/4 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy 400 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Socket Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 3/4 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-8PBWL4-8PF-M |
CAD
N/A
|
Body Material N/A Alloy 400 | Inlet Type N/A Pipe Butt Weld-4" Extended Inlet | Inlet Size N/A 1/2 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy 400 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Butt Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-8PML4-8PF-M |
CAD
N/A
|
Body Material N/A Alloy 400 | Inlet Type N/A MNPT-4" Extended Inlet | Inlet Size N/A 1/2-14 | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy 400 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Male NPT to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-8PSWL4-8PF-M |
CAD
N/A
|
Body Material N/A Alloy 400 | Inlet Type N/A Pipe Socket Weld-4" Extended Inlet | Inlet Size N/A 1/2 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy 400 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Socket Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6V-12PBWL4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A Pipe Butt Weld-4" Extended Inlet | Inlet Size N/A 3/4 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A PTFE | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Butt Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 3/4 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6V-12PM-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A MNPT | Inlet Size N/A 3/4-14 | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.41 in | I N/A 1.50 in | Packing Material N/A PTFE | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Male NPT to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 3/4 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6V-12PML4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A MNPT-4" Extended Inlet | Inlet Size N/A 3/4-14 | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A PTFE | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Male NPT to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 3/4 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6V-12PSWL4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A Pipe Socket Weld-4" Extended Inlet | Inlet Size N/A 3/4 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A PTFE | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Socket Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 3/4 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6V-8PBWL4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A Pipe Butt Weld-4" Extended Inlet | Inlet Size N/A 1/2 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A PTFE | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Butt Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6V-8PM-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A MNPT | Inlet Size N/A 1/2-14 | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.41 in | I N/A 1.50 in | Packing Material N/A PTFE | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Male NPT to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6V-8PML4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A MNPT-4" Extended Inlet | Inlet Size N/A 1/2-14 | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A PTFE | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Male NPT to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6V-8PSWL4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A Pipe Socket Weld-4" Extended Inlet | Inlet Size N/A 1/2 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A PTFE | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Socket Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-12PBWL4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A Pipe Butt Weld-4" Extended Inlet | Inlet Size N/A 3/4 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Butt Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 3/4 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-12PM-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A MNPT | Inlet Size N/A 3/4-14 | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.41 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Male NPT to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 3/4 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-12PML4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A MNPT-4" Extended Inlet | Inlet Size N/A 3/4-14 | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Male NPT to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 3/4 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-12PSWL4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A Pipe Socket Weld-4" Extended Inlet | Inlet Size N/A 3/4 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Socket Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 3/4 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-8PBWL4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A Pipe Butt Weld-4" Extended Inlet | Inlet Size N/A 1/2 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Butt Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-8PML4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A MNPT-4" Extended Inlet | Inlet Size N/A 1/2-14 | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Male NPT to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
| LNG6VG-8PSWL4-8PF-HC |
CAD
N/A
|
Body Material N/A Alloy C-276 | Inlet Type N/A Pipe Socket Weld-4" Extended Inlet | Inlet Size N/A 1/2 in. | Outlet Type N/A FNPT | Outlet Size N/A 1/2-14 | Orifice N/A 0.250 in6.4 mm | Handle Type N/A T-Bar | Stem Type N/A Non-Rotating V-Type Shutoff | B2 N/A 2.32 in | I N/A 1.50 in | Packing Material N/A Flexible Graphite | Stem Material N/A Chrome-Plated Alloy C-276 | Gauge Port Size N/A 1/2 | Production Category N/A 4 | Connection 3 - Type N/A FNPT | Connection 3 - Size N/A 1/2-14 | Connection 4 - Type N/A FNPT | Connection 4 - Size N/A 1/2-14 | Handle Color N/A Stainless Steel | Product Descriptions N/A Pipe Socket Weld to Female NPT | Description Text N/A Locked Bonnet Needle Gauge Valves | Inlet Size N/A 1/2 | Outlet Size N/A 1/2 | A_NUM N/A 3.15 in | B N/A 0 in0 mm | B_NUM N/A 0 in |
