Model 945-PA Breather Vent with Pipe-Away Connection Valve

Designed for pressure and vacuum relief
High flow capacity
Provides protection against atmospheric deflagrations for explosion groups up to and including IIB3 (NEC Group C)
ATEX 2014/34/EU certified to EN ISO 16852: 2016
Complies with API 2000 Seventh Edition / EN ISO 28300
Weight-loaded offset pallet design; discharges to outlet pipe (mechanism is internal to protect from external weather and environmental conditions)
Achieves full opening (flowing pressure/vacuum) at 10% overpressure
Provides premium sealing with premium PTFE seals. Other seal options available upon request
Leak tightness exceeds API 2000 / EN ISO 28300 requirements
Pallets, seats & stem-guides made from stainless steel
Pipe away positive pressure connection aides with emission control

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Gas/air or vapor/air mixtures of gas groups IIA (NEC group D) and IIB3 (NEC group C). Others available upon request

Other types available upon request

	Stainless Steel	Aluminum	Carbon Steel	FEP	Other Materials on request
Diaphragm				✓	✓
Valve Set/Pallet	✓		✓		✓
Valve Seat	✓				✓
Body	✓	✓	✓		✓

in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	Weight* (lbs/kg)
Size		A		B		C		D		E		Weight* (lbs/kg)
2 x 2	50 x 50	5.827	148	8.890	226	17.638	448	7.874	200	17.823	453	Approx. Product Weight (lbs/kg)
3 x 3	80 x 80	5.787	147	9.587	244	19.272	490	8.858	225	18.130	461	Approx. Product Weight (lbs/kg)
4 x 4	100 x 100	8.19	208	11.89	302	26.30	668	12.60	320	19.06	484	Approx. Product Weight (lbs)	Approx. Product Weight (kg)
6 x 6	150 x 150	9.69	246	14.82	377	30.85	783	14.76	375	22.70	577	Approx. Product Weight (lbs)	Approx. Product Weight (kg)
8 x 8	200 x 200	10.94	278	16.18	411	35.35	898	17.32	440	25.26	642	Approx. Product Weight (lbs)	Approx. Product Weight (kg)
10 x 10	250 x 250	13.70	348	17.41	442	43.82	1113	20.87	530	28.15	715	Approx. Product Weight (lbs)	Approx. Product Weight (kg)
12 x 12	300 x 300	13.58	345	18.56	471	47.32	1202	24.17	614	29.70	755	Approx. Product Weight (lbs)	Approx. Product Weight (kg)