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Installation and operation manual – Brooks Instrument Control Valve User Manual

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Section 1 Introduction

Installation and Operation Manual

X-VA-8503-eng

Part Number: 541B087AHG

March, 2008

Needle Control Valves Models 8503 and 8504

Materials of Construction
Brass Model: Nickel plated brass body. Size 1-3: Brass and Delrin

®

orifice;

sizes 4-6: Brass orifice; 316 steel valve needle, brass plunger, Buna-N O-rings.

Stainless Steel Model: 316 Stainless steel body and valve needle. Size 1-3:
Stn. Stl. and Teflon

®

orifice; Sizes 4-6: Stn. Stl. orifice; Stn. Stl. plunger, Viton

®

fluoroelastomers O-rings

1-3 Compatible Brooks Equipment

Numerical Handle: Model 8513: Right angle, Model 8514: Straight pattern.

3 digit direct read numerical handle: 10 digits per turn (15 turns to full open)
readable to 1/20 turn. Handle can be rotated 360° to facilitate reading of
indicator.