Diaphragm Valves

SL-DV84MH-VM4-KE
SL-DV84PL-VM4-KE
Title:
Diaphragm Valves
DV84 Series

Features

• Suitable for ultra high purity applications

• Both manual and pneumatic actuation are available

• End connections: Face seal fittings (FSR) and butt welded

• Internal spring-less design and metal-to-metal seal minimizes particle generation and ensures "purity integrity" in the flow passages

• Cleaned and degreased for oxygen service according to CGA G-4.1 and ASTM G93 Class C, respectively 

• Long service life

• 100% Helium leak tested

 

* Standard Material

** Vespal® seat is recommended for Nitrous Oxide (N2O) service but is not available for low pressure pneumatic actuation.

 

Spec Sheet

SL -

DV82

M 

H -

VM4 -

K -IS

Body Material

Model

Actuation

Working Pressure

Inlet / Outlet 

Valve SeatOption

SL: 316L

DV82

M: Manual

P: Pneumatic

H: 3500 psi

VMA, VM8, VSM4, VSM8, VSF4, VSF8, TW4, TW8

K: PCTFE

V: Vespel®

IS: Electronic indicator*

* For pneumatic configuration only

 

Inlet & Outlet Connections

Type

Dimensions

4 = 1/4"

6 = 3/8"

8 = 1/2"

VM: Face seal male (FSR fittings)

4, 8

VSM: Face seal swivel male (FSR fittings)4, 8
VSF: Face seal swivel female (FSR fittings)4, 8
TW: Butt welded4, 6, 8

 

• Maximum operating pressure: 300 psi (20 bar), 3500 psi (240 bar)

• Temperature range: -40˚F~150˚F (-40˚C~ 65˚C)

•  Cv: 0.17

 

• Body: 316L stainless steel

• Seat: PCTFE*, Vespel®**

• Diaphragm: Elgiloy®

 

• Standard Ra: 10-15 µin (BA); Optional: 7 µin (EP)