7140/8110 Series Vacuum Relief Valve Vent to Atmosphere or Pipe A



Position: HOME > PRODUCTS > Oil&Gas > Pressure Vacuum Relief Valve > 7140/8110 Series Vacuum Relief Valve Vent to Atmosphere or Pipe Away

7140/8110 Series Vacuum Relief Valve Vent to Atmosphere or Pipe Away

1. Size available DN50-DN300

2.Vertical /Side installation

3. Protective screens are provided at pressure and vacuum ports to prevent entrance of foreign matter

4. Flame arrester、inlet pipe、steam jacket、blowing hole、lining or humidity absorber are options to client

5.Designed and tested according to API 2000

6.The flanges are according with ANSI B16.5 or EN1092、JIS

7. Available material：Aluminum 、Carbon Steel、Stainless Steel、Special Materials On Application.

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

E-mail: info@qdiflow.com

Description

The 7140/8140 Series Pressure Relief Valve are designed for use on atmospheric and low pressure storage tanks, vents to atmosphere or pipe away.

The primary function is to protects tanks from damage deformation, and minimizes emissions to the environment, as well as loss of product duo to evaporation.

Specification

Setting Pressure /Vacuum
Setting KPa	7140、8140	7146、8146	7145、8145	7148/8148
Setting Pressure	0.2～6.9	0.2～6.9	6.9～103.4	6.9～103.4

8140/8143/8145/8147 dimensions,mm
Nominal Size	L1	L2	H1	H2	H3	H4	W8130	W8136
2"(DN50)	300	186	180	292	175	288	155	155
3"(DN80)	378	215	217	300	214	296	200	200
4"DN100)	443	241	253	361	252	361	235	230
6"(DN150)	575	281	311	448	289	448	300	280
8"(DN200)	705	366	380	615	350	645	360	345
10"(DN250)	825	453	439	705	440	742	410	406
12"(DN300)	970	525	519	853	520	909	470	483
14"(DN350)	_	616	_	_	535	910	_	533