7120/8120 Pressure/Vacuum Relief Valve

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7120/8120 Pressure/Vacuum Relief Valve

1. Size Available 2"-12"

2. The 7120 series outlet port has the same size with inlet

3. The 8120 series outlet port is one size larger than inlet in order to optimize flow capacity

4. Pipe away.

5. Protective screens are provided at pressure and vacuum port to prevent entrance of other matter

6. The flame arrestor, inlet pipe, steam jacket, blowing hole, lining or humidity absorber are options to clients.

7. Designed and tested according to API2000.

8. The flanges are accordance with ANSI B16.5, EN1092, JIS.

9. Available material: Aluminium, carbon steel, stainless steel, special materials.

Tel: +86- 532- 55785171 / 55785172 / 55786571 / 55786572

E-mail: info@qdiflow.com

Description

The 7120/8120 Pressure/Vacuum Relief Valve are designed for being used on atmospheric and low pressure storage tanks, pipe away.

The primary function is to protect tanks from damager deformation, and minimize emmissions to the environment, as well as loss of product due to evaporation.

Specification

Setting Pressure /Vacuum

Setting KPa

7110/8110

7112/8112

7113/8113

Set pressure

0.21～6.9

0.2～6.9

6.9～13.4

Set vacuum

-0.2～-4.3

-4.3～-82

0.2～-4.3

7120/7122/7123/7125 Dimensions,mm
Nominal Size	2X2"	3X3"	4X4"	6X6"	8X8"	10X10"	12X12"
L	345	406	445	546	696	853	995
W Width	200	200	230	280	345	406	485
H1	300	359	417	523	648	789	923
H2	412	441	525	660	893	1055	1257
A	123	138	153	166	216	273	320
B	200	245	280	350	420	515	590

8120/8122/8123/8125 Dimensions,mm
Nominal Size	2X3"	3X4"	4X6"	6X8"	8X10"	10X12"	12X14"
L	360	435	494	641	798	940	1116
W Width	200	230	280	345	406	485	533
H1	340	402	498	640	744	875	984
H2	422	510	363	884	1010	1209	1253
A	138	153	166	216	273	320	381
B	226	265	327	411	470	542	616