IntroductionGDVA404 is unique multifunction instrument designed to meet the IEC60044-1, IEC60044-2, IEC60044-6 and C57.13 standards for performing excitation, ratio and phase error, polarity, secondary loop burden and coil resistance on current or voltage

Resilient Seated Eccentric Flanged Butterfly ValveIt has advantages of better stability, superior quality, long life & low price. Product Characteristics:1.Simple and compact structure, light weight,90o rotation, quick and flexible opening and closing.2.E

Concentric Flanged Butterfly ValveNot only applicable to liquid medium, but also applicable to gas medium;2. Disc has two-way bearing and excellent sealing property;3. Valve body has rubber seat and longer service life;4. Easily installation, flexible pos

Size DN50-DN1200End flange ANSI B 16.1, EN 1092, AS 2129Face to face EN558-1Top flange ISO 5211Normal pressure PN1.0/1.6/2.5MPa (150/300PSI)Body CI / DI / WCB / SS disc-DI / CF8 / CF8M / C95400Disc DI/ALB/Rubber lined Disc/ 1.2501/CF8M/1.4529/CF8/Hastello

wafer butterfly valve1.CE & ISO9001 Certificated Enterprise2.Excellent Quality3.Fast Delivery4.Reasonable PriceSize:DN40-DN1200End Flange:ANSI B 16.1 EN1092 AS2129Face to Face:ANSI B 16.10Top Flange:ISO 5211Normal Pressure:DN40-DN600 PN1.0/1.6Mpa(150

anti-abrasion ceramic wear resistant ceramic1. Great hardnessThe wear-resistant ceramics we produce enjoy a Rockwell hardness of HRA80-90, second only to diamond and far ahead of wear-resistant or stainless steel in abrasion resistance.2. Excellent wear-r

abrasion resistant ceramic wear resisting ceramic1. Great hardnessThe wear-resistant ceramics we produce enjoy a Rockwell hardness of HRA80-90, second only to diamond and far ahead of wear-resistant or stainless steel in abrasion resistance.2. Excellent w

wear resistant ceramic wearproof ceramic1. Great hardnessThe wear-resistant ceramics we produce enjoy a Rockwell hardness of HRA80-90, second only to diamond and far ahead of wear-resistant or stainless steel in abrasion resistance.2. Excellent wear-resis

The alumina ceramic seal rings we produce can reach up to ±0.01 in precision and are suitable for mirror polishing.They can be applied to the mechanical and motional sealing of various types of household, agricultural and chemical pumps for their outstan

The alumina ceramic seal rings we produce can reach up to ±0.01 in precision and are suitable for mirror polishing.They can be applied to the mechanical and motional sealing of various types of household, agricultural and chemical pumps for their outstan