Safety Valve Series

Product drawing»

Structural drawing»

You are here:Home > Products >Duplex Safety Valve

Duplex Safety Valve

manufacturer: Shanghai Fengqi Industry Development Co., Ltd.
Eml: sales@fengqi.sh.cn

Tel: 86 (21) 3652 8716
Mob: (86) 138 1635 6498

product drawing

A37H-16C/25/40
A37H-16C/25/40
A38Y-16C/25/40
A38Y-16C/25/40

Applications

Duplex spring type safety valve (with wrench) is applied to equipments and pipes of air, steam, water and other media that working temperature is ≤ 350 ℃, used as the overpressure protection device. Duplex spring type safety valve (with wrench) consists of a Y-connector installed by two same specifications of A47H, A48Y-type safety valve, the nominal diameter of duplex spring type safety valve refers to the Y-connector inlet diameter.

Dimensions & constructral diagram

A37H-16C/25/40(pic1)
A37H-16C/25/40(pic1)
A37H-16C/25/40(pic2)
A37H-16C/25/40(pic2)
A38Y-16C/25/40
A38Y-16C/25/40

The corresponding matched diameter

A37 type nominal diameter DN(mm) 50 80 100 125 150
the corresponding A47H type diameter DN 32 65 80 100 125
 
A43 type nominal diameter DN(mm) 50 80 100 125 150
the corresponding A47H type nominal diameter DN 32 50 80 100 125
 
A38 type nominal diameter DN(mm) 50 80 100 150
the corresponding A48H type nominal diameter DN 32 50 65 100

External and connection dimensions(mm)

nominal diameter DN(mm) Dimensions(mm)
L L1 B DN' do
A 37 type
50 115 225 165 32 2×25
80 140 310 205 65 2×50
100 160 355 255 80 2×65
125 170 410 260 100 2×80
150 190 430 275 125 2×100
nominal diameter DN(mm) Dimensions(mm)
L L1 B DN' do
A 43 type
50 115 225 165 32 2×25
80 135 295 190 50 2×40
100 160 352 255 80 2×65
125 170 410 260 100 2×80
150 190 430 275 125 2×100
nominal diameter DN(mm) Dimensions(mm)
L L1 B DN' do
A 38 type
50 115 225 165 40 2×20
80 135 295 190 65 2×32
100 160 365 265 80 2×40
150 195 415 275 125 2×65
Shanghai Remy Valve Manufacturing Co., Ltd.
Remy Safety Valve Contact Remy
Shanghai Enine Pump & Valve Co., Ltd.
Enine Safety Valve Contact Enine
Shanghai Saitai Pump & Valve Co., Ltd.
Saitai Safety Valve Contact Saitai