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Breathing valve

Product Images

  • Breathing valve

Product Property

Product Status : New
Sample Available : no
Shipment Terms : Negotiable
Payment Mode : T/T

Description

Product characteristics:

Breathing valve is fixed at the top of tank ventilation devices to ensure that the tank pressure normal. Tank prevents overpressure or vacuum tank so that suffered damage, but also to reduce the loss of volatile liquid storage tank.

According to the "Petrochemical design of fire safety regulations" (GB50160-92) states : "A B liquid fixed roof tanks, should be established and the two semi-breathing valve, "Hichine company developed HB-type series of new products, complete with specifications, compact, light weight, the ventilation, leaking small advantages. Products are called single valve, single-suction valve, breathing valve structures can form combinations with fire retardant structure, also preparation for the takeover

Working media:

Gasoline, kerosene, diesel oil, aromatics, sulfur, air, oil or other chemical materials. Selection of fire retardant under the category "HGJ21-89".

Operating pressure and the use of ambient temperature:

Expiratory pressure: B, C +980Pa, +1750Pa D, E +4KPa, +18KPa
Suction pressure: B, C -295Pa, -295Pa D, -0.5KPa
(Operation pressure indicators can be specified by the user)

Environmental temperature: -22℉ -140℉

HB1breathing valve
DN50-400

HAB1Flame-breathing valve
DN50-400

DN

50

80

100

150

200

250

300

400

H

280

430

430

530

630

740

820

940

350

500

500

600

700

820

900

1020

L

300

450

450

650

850

1000

1100

1250


HB2With punctuated with Double-breathing valve

takeover
DN50-250

HAB2with Double-breathing valve

take over fire retardant
DN50-250

DN

50

80

100

150

200

250

H

280

430

430

530

630

740

350

500

500

600

700

820

H1

110

180

180

220

260

320

180

250

250

290

330

400

L

320

450

450

620

750

850


HB3 band receiver respiratory inhalation

valve
DN50-250

HAB3 Belt respiratory inhalation valve

take over fire retardant
DN50-250

DN

50

80

100

150

200

250

H

280

430

430

530

630

740

350

500

500

600

700

820

H1

110

180

180

220

260

320

180

250

250

290

330

400

L

310

450

450

635

800

950


HB4 band receiver exhaled breath valve
DN50-250

HAB4 Belt exhaled breath valve

take over fire retardant
DN50-250

HB1breathing valve
DN50-400

HAB1Flame-breathing valve
DN50-400

DN

50

80

100

150

200

250

300

400

H

280

430

430

530

630

740

820

940

350

500

500

600

700

820

900

1020

L

300

450

450

650

850

1000

1100

1250


HB2With punctuated with Double-breathing valve

takeover
DN50-250

HAB2with Double-breathing valve

take over fire retardant
DN50-250

DN

50

80

100

150

200

250

H

280

430

430

530

630

740

350

500

500

600

700

820

H1

110

180

180

220

260

320

180

250

250

290

330

400

L

320

450

450

620

750

850


HB3 band receiver respiratory inhalation

valve
DN50-250

HAB3 Belt respiratory inhalation valve

take over fire retardant
DN50-250

DN

50

80

100

150

200

250

H

280

430

430

530

630

740

350

500

500

600

700

820

H1

110

180

180

220

260

320

180

250

250

290

330

400

L

310

450

450

635

800

950


HB4 band receiver exhaled breath valve
DN50-250

HAB4 Belt exhaled breath valve

take over fire retardant
DN50-250


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