High Purity Pressure Regulator Features

The Hikelok PPR1 series is a economical high purity pressure reducing regulator provides Stainless Steel construction with 10 Ra surface finish and is electronic grade cleaned.

Applications

1/4″ point-of-use

Gas cabinets 

Semiconductor manufacturing

Valve manifold boxes  

Research labs

Features

Optimum performance and cleanliness at a great value

Internal surface finished to 10 Ra microinch /0.25 micrometer ensures minimal particle generation or entrapment

True metal-to-metal body diaphragm seal provides enhanced leak integrity

No bias spring or friction device in the flow stream Adjustable stop to limit outlet pressure    Positionable ported bonnet ring is available

Operating Parameters

Maximum Inlet Pressure 3500 psig (241 bar)

600 psig (41.4 bar)

250 psig (17.2 bar)

Outlet Pressure Ranges

0-30 psig (0-2.1 bar), 0-60 psig (0-4.1 bar), 0-100 psig (0-6.9bar), 0-150 psig (0-10.3 bar), 0-250 psig (0-17.2 bar)

Design Proof Pressure 150% maximum rated

Leakage

Internal: Bubble-tight

External: Design to meet ≤ 2 x 10-9 atm cc/sec He

Operating Temperature

PCTFE Seat:-40°F to 140°F (-40°C to 60°C) PTFE Seat:-40°F to 160°F (-40°C to 71°C) PI Seat:-40°F to 350°F (-40°C to 177°C)

Flow Capacity Cv = 0.06

Internal Surface Finish

10 Ra microinch / 0.25 micrometer

Cleaning

DI water electronic grade cleaned and ES 500 Particle Certified for internal electropolish models

Internal Volume

1/4″ fitting / 5.75 cc

Weight (without gauges)

2 lbs / 0.9 kg

Wetted Material

Body

316L S.S. or 316L VAR S.S. electropolish

Spring

316 Stainless Steel, Elgiloy®

Diaphragm

316 Stainless Steel, Elgiloy®

Seat

PCTFE, PTFE and PI

Stem, Seat Retainer, Valve Guide

316 Stainless Steel, Brass, Hastelloy®* l