R622 / R642 / R652 Series Fisher Relief Valve , Pressure Second Stage Regulator

Fisher R622, R642 and R652 Series Second-Stage Regulators

R600 Series second-stage regulators are UL listed designed to reduce the outlet pressure from a first-stage regulator in domestic installations. Type R622 is designed for Two-Stage domestic applications up to 1 400 000 BTU per hour / 15,8 SCMH. Type R622 contains a high performance relief valve and a large 3/4-inch screened vent to limit downstream pressure to less than 2 psig / 0,14 bar in an overpressure situation. Types R642 and R652 are designed in an angle body and back mounted design.

Specifications

Available Configurations Type R622 (standard): Second-stage regulator with straight-through body design
Type R642: Second-stage regulator with 90° body design ideal for metered installations
Type R652: Second-stage regulator designed for back mount installations
Body Sizes and End Connection Styles (inlet x outlet) Type R622: 1/2-inch FNPT, 1/2 x 3/4-inch FNPT, and 3/4-inch FNPT
Types R642 and R652: 1/2 x 3/4-inch FNPT, 3/4-inch FNPT
Maximum Inlet Pressures Maximum Inlet Pressure: 10 psig / 0,69 bar
Emergency Inlet Pressure: 50 psig / 3,4 bar
Capacity Up to 1.4 MBTU/hr
Outlet Pressure Ranges 9 to 20-inches w.c. / 22 to 50 mbar
Pressure Registration Internal
Temperature Capabilities -20° to 160°F / -29° to 71°C
Approximate Weight 1.4 Pounds / 635 grams

Features

Improved Accuracy
Superior Relief Performance
Corrosion-Resistant Materials
Inlet Screen
Test Ports for Easy System Checks
Positive Drainage
20-Year Recommended Replacement Life
UL Listed

We can delivery the cargo to transport company within 3 days upon receiving of the cargos from the plant
Any question, please do not hesitate to contact me.

1. Swift delivery 

 For common parts, we can deliver the goods within 3 days

2. Original products

 All the products we sell are from origin manufacturer. We will submit all the manufacturer documentation while we finish delivery.

3. Quality Assurance

4. Technical Support

 Including inspection,repair and maintenance, we can give all kinds of technical support.

5. Quickly responce

 Our staffs will keep 24h online and answer your question very quickly.

Xiangjing(Shanghai)M&E Tech. Co., Ltd is a valve and instrument distributor for a series of world-wide famous brands just like Emerson,Fisher,Rosemount,Masoneilan,Flowserve,Rotork,etc.
We have many common models in stock, so that we can offer our service in very short time.
Our office is located in Shanghai, we welcome your visit!

Shanghai Office

Beijing Office

Hunan Province Office

Q. How long will you need before delivery?

A: We have many common models in stock, so that we can deliver the goods very soon(less than 3 days).

Q. What is your payment term?

A: Normally T/T 30% in advance, balance to be paid before delivery, We also support the trade assurance,O/A.

Q: What is Trade Assurance?

A: Trade Assurance is a free service by Alibaba.com that’s designed to help create trust between buyers and suppliers. Trade Assurance helps buyers in the event of shipping and quality-related dispute.

Q: Does Trade Assurance charge fees?

A: No. Trade Assurance is free for both buyers and suppliers.

Q: What kind of trade terms can you do?

A: EX-WORKS,FOB,CFR,CIF,etc.