Sanitary manual quick installation butterfly valve, simple structure, small volume, light weight, small installation size, small driving torque, simple and rapid operation, and has good flow regulation function and closing sealing characteristics
Product Overview
Q41F three-piece flanged ball valve stem with inverted sealing structure, abnormal pressure boost valve chamber, the stem will not be out.Drive mode: manual, electric, pneumatic, 90° switch positioning mechanism can be set, according to the need to lock to prevent misoperation.Is xuan supply Q41F three-piece ball valve three-piece flange ball valve manual three-piece ball valve
II. Working principle:
Three-piece flanged ball valve is a valve with a circular channel of the bal...
Product structure characteristics
A check valve is an “automatic” valve that is opened for downstream flow and closed for counter-flow.Open the valve by the pressure of the medium in the system, and close the valve when the medium flows backwards.The operation varies with the type of check valve mechanism.The most common types of check valves are swing, lift (plug and ball), butterfly, check, and tilting disc.Products are widely used in petroleum, chemical, pharmaceutical, chemica...
Testing:DIN 3352 Parf1 DIN 3230 Part 3 DIN 2401 Rating
Design:DIN 3356
Face to face:DIN 3202
Flanges:DIN 2501 DIN 2547 DIN 2526 FORME BWTO DIN 3239 DIN 3352 Parf1
Marking : EN19 CE-PED
Certificates:EN 10204-3.1B
Product Structure
Main Parts And Materials
PART NAME
MATERIAL
1
Boby
1.0619
1.4581
2
Seat surface
X20Cr13(1) overlay
1.4581 (1) overlay
3
Disc seat surface
X20Crl3(2) overlay
1.4581 (2) overlay
4
Bellow...