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Backflow Preventer

Praecursor regressus duobus valvularum pressione coniunctus est et valvae exhauriendae latae, adhibita pro prohibita aqua a retiacula terminali pipelinearum ad principale pipelines redierunt, vel aquam ab AC aqua bibentem, ignis aquam pugnantem vel aquam irrigationem separant.Praeventus refluxus etiam nomine valvae antifouling.

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Features and Beneficia

Axialis fluxus, designatio rivuli interioris, pressio humilis gutta.

Velox prope consilium, malleus ovoideus aquae fistulam laedat.

Exhaurire valvae foris inauguratae, ad victum faciles.

Exhaurire valvae designari cum functione anti-impeditionis, devita errorem un-normalem exhaurire.

Product Standard

Manufaturer Standard: GB/T25178

Flange Standard: GB/T17241.6

Euismod Standard: GB/T25178

Technical data

Nominal Diamater: DN50~DN250 (2'~10')

Pressura nominal: PN10/16

Temperature: 0°C~85°C

Applicationem: Aqua

Partes	Materia
Corpus	GGG40
Core	GGG40
Seat	SS420 NBR tegitur
Disc	SS420
Ver	SS304

Item	Magnitudo	L	D1	D2	D3	n-⌀d	H
1	DN50	242	99	125	165	4-19	250
2	DN65	282	118	145	185	4-19	280
3	DN80	342	132	160	200	8-19	295
4	DN100	362	156	180	220	8-19	320
5	DN125	402	184	210	250	8-19	350
6	DN150	502	211	240	285	8-23	375
7	DN200	602	266	295	340	8-23	430
8	DN250	702	319	350	395	12-23	490

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Backflow Preventer

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DVK Valvulae primarius est fabricator valvularum qualitatum et accessiones valvularum variarum industriarum, incluso HVAC, industriae, ignis pugnae, infrastructurae et aquaeductuum.

Velox Vincula

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E-mail： sales@dvkvalve.com
Mob：+86-18512542424

Tel：+86-25-58007763
Fax：+86-25-58007763
Officium Add：Solum III, Aedificium LVII, N. II Street Tianruncheng, Pukou District, Nanjing, Jiangsu Provincia, Sinis.

Factory addere: Jinmao Industrial Park, Suncun Economic Zonam, Wuhu, Anhui Provincie, China.