COMPANY HEADER
  • Gauge valves LN Series Series Gauge Valves Webr
  • Gauge valves LN Series Series Line Drawing

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.
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Part #

CAD

Body Material

Inlet Type

Inlet Size

Outlet Type

Outlet Size

Orifice

Stem Type

B1

B2

I

End Connections

Packing Material

Stem Material

Gauge Port Size

Production Category

Connection 3 - Type

Connection 3 - Size

Connection 4 - Type

Connection 4 - Size

Product Descriptions

Description Text

End Connection Type

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N/A CAD Icon (for items table) N/A Alloy 400 N/A Pipe Socket Weld-4" Extended Inlet N/A 3/4 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Socket Weld x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy 400 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Socket Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Socket Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
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N/A CAD Icon (for items table) N/A Alloy 400 N/A Pipe Butt Weld-4" Extended Inlet N/A 1/2 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Butt Weld x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy 400 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Butt Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Butt Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
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N/A CAD Icon (for items table) N/A Alloy 400 N/A MNPT-4" Extended Inlet N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A MNPT x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy 400 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Male to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
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N/A CAD Icon (for items table) N/A Alloy 400 N/A Pipe Socket Weld-4" Extended Inlet N/A 1/2 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Socket Weld x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy 400 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Socket Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Socket Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
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N/A CAD Icon (for items table) N/A Alloy C-276 N/A Pipe Butt Weld-4" Extended Inlet N/A 3/4 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Butt Weld x FNPT N/A PTFE N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Butt Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Butt Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
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N/A CAD Icon (for items table) N/A Alloy C-276 N/A MNPT N/A 3/4-14 N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 2.97 in75.4 mm N/A 2.41 in N/A 1.50 in N/A MNPT x FNPT N/A PTFE N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Male to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
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N/A CAD Icon (for items table) N/A Alloy C-276 N/A MNPT-4" Extended Inlet N/A 3/4-14 N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A MNPT x FNPT N/A PTFE N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Male to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
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N/A CAD Icon (for items table) N/A Alloy C-276 N/A Pipe Socket Weld-4" Extended Inlet N/A 3/4 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Socket Weld x FNPT N/A PTFE N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Socket Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Socket Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A Pipe Butt Weld-4" Extended Inlet N/A 1/2 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Butt Weld x FNPT N/A PTFE N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Butt Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Butt Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A MNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 2.97 in75.4 mm N/A 2.41 in N/A 1.50 in N/A MNPT x FNPT N/A PTFE N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Male to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A MNPT-4" Extended Inlet N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A MNPT x FNPT N/A PTFE N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Male to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A Pipe Socket Weld-4" Extended Inlet N/A 1/2 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Socket Weld x FNPT N/A PTFE N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Socket Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Socket Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A Pipe Butt Weld-4" Extended Inlet N/A 3/4 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Butt Weld x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Butt Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Butt Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A MNPT N/A 3/4-14 N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 2.97 in75.4 mm N/A 2.41 in N/A 1.50 in N/A MNPT x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Male to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A MNPT-4" Extended Inlet N/A 3/4-14 N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A MNPT x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Male to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A Pipe Socket Weld-4" Extended Inlet N/A 3/4 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Socket Weld x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Socket Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Socket Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A Pipe Butt Weld-4" Extended Inlet N/A 1/2 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Butt Weld x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Butt Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Butt Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A MNPT-4" Extended Inlet N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A MNPT x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Male to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Male National Pipe Thread by Female National Pipe Thread Add To Cart
Request Quote
N/A CAD Icon (for items table) N/A Alloy C-276 N/A Pipe Socket Weld-4" Extended Inlet N/A 1/2 in. N/A FNPT N/A 1/2-14 N/A 0.250 in6.4 mm N/A Non-Rotating V-Type Shutoff N/A 4.93 in125.2 mm N/A 2.32 in N/A 1.50 in N/A Pipe Socket Weld x FNPT N/A Flexible Graphite N/A Chrome-Plated Alloy C-276 N/A 1/2 N/A 4 N/A FNPT N/A 1/2-14 N/A FNPT N/A 1/2-14 N/A Pipe Socket Weld to Female NPT Needle Valve N/A Locked Bonnet Needle Gauge Valves N/A Pipe Socket Weld by Female National Pipe Thread w/ Gauge Ports Add To Cart
Request Quote
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