HOKE Needle valves 3700, 3800 & 3900 Series

3700 , 3800 and 3900 Series:
Forged Body, Integral Bonnet Needle Valves

Offered in four different body materials, this group of valves can handle a wide range of general purpose liquid and gas applications. Six types of stem tips are available, including two styles of vee-points.

Typical Applications
Instrument air lines Sampling Gas chromatography Test stands Cylinder valves
Technical Data
BODY:	316 stainless steel, Monel®, carbon steel, brass
MAXIMUM OPERATING PRESSURE:	316 stainless steel, Monel®, carbon steel: 345 Bar @ 21° C Brass: 207 Bar @ 21° C
OPERATING TEMPERATURE RANGE:	Metal stem tip: -54° to +232° C PCTFE stem tip: -29° to +121° C
ORIFICE:	1.5 mm to 7.9 mm
Cv FACTOR:	0.07 to 1.10

Safety

Integral bonnet provides differential thread pitch between stem threads and packing nut thread preventing accidental stem removal

Stem tip options

Helps eliminate fugitive emissions

Dyna-Pak® packing provides a leak-tight seal with low operating torque in deep vacuum or high pressure applications

Dependability

Installation variety

Broad selection of male NPT, female NPT, and HOKE Gyrolok® fractional or metric tube fitting connections

Handle options

Panel mounting available

Easy maintenance

All models can be panel mounted without packing disruption. Packing can be adjusted without removal from panel

Please contact us for further information or for a quotation: info@lenntech .com