DIAPHRAGM REGULATORS MODEL WR11

Features

Single-stage reduce structure

Corrugated diaphragm design for excellent sensitivity and cycle life

Suitable for corrosive and toxic gases 20 µm filter element installed at inlet

Oxygen environment options are available

Technical Data

Max Inlet Pressure: 600, 3500 psig

Outlet Pressure Range: 0~30, 0~60, 0~100, 0~250, 0~500 psig

Component Material

Seat: PCTFE

Diaphragm: Hastelloy

Filter mesh: 316L

Working Temperature: -40~+74 °C (-40~+165 °F)

Leakage Rate (Helium)

Internal: ≤1x10^-7 mbar l/s

External: ≤1x10^-9 mbar l/s

Flow Coefficient (Cv)

3500psig Inlet: Cv=0.09

600psig Inlet: Cv=0.0

Body Thread

Inlet port: 1/4 NPT (EP 1/4 VCR optional)

Outlet port: 1/4 NPT (EP 1/4 VCR optional)

Pressure port: 1/4 NPT (EP 1/4 VCR optional)

Cleaning Technics

Standard (WK-BA)

The welded fittings are cleaned in accordance with our standard cleaning and packaging specifications.

No suffixes need to be added when ordering.

Oxygen Cleaning (WK-O2)

Specifications for cleaning and packaging of products for oxygen environments are available.

This meets ASTM G93 Class C cleanliness requirements. When ordering , add-O2 to the end of the order number.

Ultra high purity cleaning (WK-O3)

Slt is suitable for 6N high-purity applications. The wetted surface is electropolished with an average roughness of RA 0.25. To order, add-O3 after the order number.