Verified Supplier | China Yongjia Goole Valve Co., Ltd.
China Yongjia Goole Valve Co., Ltd.

China Manufacturer with main products: Pressure Reducing Valve, Steam Trap, Pressure Control Valve, y Type Strainer, Bellow Seal Globe Valve, Basket Straienr, Safety Valve, Bellow...

Home  >Products Catalog > 1.safety relief valve(hot) > Stainless steel spring loaded safety valve,cast,WCB,copper

Stainless steel spring loaded safety valve,cast,WCB,copper

FOB Reference Price: $ 4500
Wholesale: 1 Sets
Supply Ability: 500 Set/Sets per Month
Shipping: Ningbo or Shanghai FOB
Payment Terms: L/C, D/P, T/T, Western Union
Update Time: 2017/9/8
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China
Packaging Details: plywood case

Quick Details

  • Brand Name: GOOLE
  • Model Number: 900/A48/A48SB
  • Port Size: DN15-400
  • Media: water,gas,steam,air...
  • Temperature of Media: normal,high
  • Material: stainless steel,cast steel,iron,WCB,bronze,copper
  • Power: Manual
  • Pressure: normal,high
  • Structure: Safety
  • Standard or Nonstandard: Standard

Specifications

900 Series DIN standard Safety Valve are mainly applied to the industries such as petroleum & Natural gas, Chemistry, Electric, Metallurgy & Burning gas. DIN safety valve, pressure safety valve, safety relief valve.

900 DIN Spring loaded Pressure Safety Valve

DIN Standard Safety Valve Features: 

Safety valves were first used on steam boilers during the industrial revolution. Early boilers without them were prone to accidental Explosion.
Safety valves also evolved to protect equipment such as pressure vessel (fired or not) and heat exchangers. Safety valve term should be limited to compressible fluid application (gas, vapor, steam).

The two general types of protection encountered in industry are thermal protection and flow protection.

  

For liquid-packed vessels, thermal relief valves are generally characterized by the relatively small size of the safety valve necessary to provide protection from excess pressure caused by thermal expansion. In this case a small valve is adequate because most liquids are nearly incompressible, and so a relatively small amount of fluid discharged through the relief valve will produce a substantial reduction in pressure.

DIN Standard Safety Valve Specification

Type

Nominal Pressure

Body Material

Nominal Diameter

Working Temp.

901/902/911/912

PN40/16

1.0619+N

DN20/32-DN150/250

-10C~450C

901/911

PN40/16

1.4408

DN20/32-DN100/150

-60C~400C

A48 Type Spring Loaded Full Lift Safety Valve is applicable as the pressure protecting device in the equipment or pipelines for steam, air,etc.,  which the working medium is  ≤350℃.

 

A48 Type Spring Loaded Full Lift Safety Valve Dimensions

 

DN

do

DN′

L

L1

≈H

20

15

25

110

95

306

25

16

32

110

95

306

32

20

40

115

100

309

40

25

50

120

110

323

50

32

65

135

120

333

65

40

80

160

140

420

80

50

100

170

135

432

100

65

125

205

160

553

125

80

150

210

190

639

150

100

175

255

230

654

200

125

250

305

260

797

250

150

300

350

320

998

300

220

400

370

350

1246

350

250

500

500

450

1711

400

280

500

500

450

1780

  • A48SB High temperature and high pressure safety valve
  • These are used as Extra Pressure Protection Device for the equipment and pipeline of the steam, ect. The working temperature with Carbon Material Type are less than 425℃ and with WC6 Material type are less than 500℃ and WC9 Material Type are less than 550℃.

     

    A48SB High Temperature and High Pressure Safety Valve Material

    NO

    Parts

    Cast Steell Material

    WC6 Material

    WC9 Material

    1

    Body

    WCB

    ZG1Cr5Mo

    ZG15Cr1MoV

    2

    Seat

    2Cr13

    1Cr18Ni9Ti

    12Cr1MoVA

    3

    Adjusting Ring

    2Cr13

    1Cr18Ni9Ti

    1Cr18Ni9Ti

    4

    Disc

    2Cr13

    17-4PH

    17-4PH

    5

    Guiding Sleeve

    2Cr13

    1Cr18Ni9Ti

    1Cr18Ni9Ti

    6

    Heat Radiator

    ZG230-450

    ZG230-450

    ZG230-450

    7

    Bonnet

    ZG230-450

    ZG230-450

    ZG230-450

    8

    Spring

    50CrVA

    50CrVA

    50CrVA

     


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