Home > Products > Needle Valves > Screwed Bonnet Needle Valve

Screwed Bonnet Needle Valve

1/8” - 1/2” NPT
Globe and Block Configuration
Brass, 303 and 316 Stainless Steel

Description

Series 3000 bar stock, screwed bonnet type needle valves are available in brass, 303 & 316 stainless steel with working pressures to 5000 Psig in 1/8” to 1/2” sizes. The unique, externally adjustable, wear compensating, virgin PTFE stem packing offers long trouble free service life in most liquid or gas applications. A wide variety of options including panel mounting, metal to metal seat, soft stem tip and taper proof cap, the Series 3000 provides economical, quality solutions for the most demanding applications. Valves can be ordered cleaned and packaged for oxygen service.

Resources

Print this page

Series 3000 Literature

User Instructions

Additional Resources

Catalogs

Certifications

Cv Calculator

Flow Calculator

Need Help ?

(973) 838-6500

Features

Adjustable PTFE Stem packing
Excellent Gauge Isolation Valve
Wide variety of options to suit many diverse applications
Available in 303 SS as an economical alternative to 316 SS (where applicable)
100% factory tested

Technical Data

Maximum Operating Pressure @ 100°F (38°C)
- Brass: 3000 Psig (207 bar)
- Stainless: 5000 Psig (345 bar)
Flow Coefficient:
- Globe and Angle (.187” Orifice): 0.40 Cv
- Block (.312” Orifice): 0.90 Cv
Temperature Rating:
- Metal to Metal Stem: -320°F to 400°F (-195°C to 204°C)
- Kel-F Tip Stem: -65°F to 200°F (-54°C to 93°C)

Leakage

External leakage – zero.
Maximum allowable seat leakage – 0.1 cc/min @ 3000 psig (207 Bar) Nitrogen

Materials of Constructions

Component	Valve Body Material
	Brass	303 Stainless	316 Stainless
Valve Body, Bonnet Packing Nut	Brass, ASTM B16	303 SS, ASTM A582	316 SS, ASTM A479
Stem²		303 SS, ASTM A582/Kel-F (CTFE)	316 SS, ASTM A479/Kel-F (CTFE)
Handle³		Brass, ASTM B16, (Nickel Plated, ASTM 689)
Set Screw	ANSI B18.3 (Alloy Steel)
Packing	Virgin TFE
Panel Nut	Brass, ASTM B16	Brass, ASTM B16, (Nickel Plated, ASTM 689)
Tamper Proof Cap		N/A
1 Stainless valves supplied with Kel-F stem, optional metal to metal stem, option code “Q”, see ordering information. Block valves not available with soft stem tip option.
2 Optinal black phenolic knob, option code “M”

Dimensionsional Data

Flow Coefficient (Cv) @ Turns Open

Ordering Information

PROPER COMPONENT SELECTION - When specifying a component, the total system design must be considered to ensure safe and trouble-free performance. Intended component function, materials compatibility, pressure ratings, installation, environment and maintenance are the responsibility of the system designer.