Product Details

Specifications

Valve Tube Fittings
Stem threads isolated from system fluid
Externally adjustable PTFE packing
Metal-to-metal shutoff

Stainless Steel Screwed-Bonnet Needle Valve, 3/8 in. Tube Fitting, Regulating Stem

SPECIFICATION SUMMARY
Flow Pattern	Straight (2-way)
Valve Material	Stainless Steel
End Connection 1 Size	3/8 in
End Connection 1 Type	tube fitting
End Connection 2 Size	3/8 in
End Connection 2 Type	tube fitting
Handle Color	Green
Handle Style	Aluminum Bar
Cleaning	Standard cleaning SC-10
Lubricant	Molykote(r) Gn Paste
Packing	Virgin PTFE
Stem Material	316 Stainless Steel
Stem Type	Regulating
Stem Tip Material	316 Stainless Steel
Max Temperature with Pressure Rating	400°F @ 2140 PSIG /204°C @ 147 BAR
Orifice	.166 in
Room Temperature Pressure Rating	3000 PSIG @ 100°F /206 BAR @ 37°C

Stainless Steel JB Series Screwed-Bonnet Needle Valves

screwed-bonnet needle valves offer shutoff or regulating stem tips in straight- or angle-pattern valves with externally adjustable packing.

Specifications

Working Pressure
Temperature
Flow Coefficient
Body Material
Packing Material
End Connections
• Type
• Size

Up to 3000 psig (206 bar)
–40 to 600°F (–40 to 315°C)
Up to 0.58
316 stainless steel
PTFE or Grafoil®

tube fitting, NPT, male ISO
1/8 to 3/8 in.; 6 and 8 mm

Features

Stem threads isolated from system fluid
Externally adjustable PTFE packing
Metal-to-metal shutoff

Testing

Every JB series needle valve is factory tested for bubble-tight shutoff at 100 psi (6.8 bar) differential pressure. Shell testing is performed on a sampling basis at 3000 psig (206 bar) to a requirement of no detectable leakage.

Cleaning and Packaging

Every JB series needle valve is cleaned and packaged in accordance with Standard Cleaning and Packaging (SC-10).

Options

Standard ball stem tip is 316 stainless steel; 440C stainless steel and cobalt-based alloy material are available.
Nonrotating ball shutoff stem is standard; regulating stem is available.
Standard handle is anodized aluminum; stainless steel bar handles are available.

About Us:
Xi'an Yunyi Instrument Co., Ltd. is a professional manufacturer that engaged in the fields of pressure measurement instrument, the chief engineer Mr Tian has more than 30 years on this area, he is one of the engineers who introduced the Rosemount technology. We specializing in developing high precision pressure transmitter and pressure gauges. And we also develop temperature transmitter, level transmitter, densitometer etc. They are widely used in chemical, petroleum, paper, electricity, city gas, environmental protection, water treatment and other fields.

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Katherina Wang

skype:wangxiaoyuncalar