PFA Lined Check Valve Wafer TypeTechnical Specification Design and
Manufacture: ASME B16.34 End-to-end dimension: HG/T3704 Flange
Standard: ASME/ANSI 16.5 Inspection and testing: API 598 Product
Specification Body Material: A216/WCB, A351/CF8, A351/CF8M,
A351/CF3, A351/CF3M, LCB, A536 Trim: A216/WCB, A351/CF8, A351/CF8M,
A351/CF3, A351/CF3M Lining Material? ? PTFE, FEP, PFA, PO Nominal
Diameter: NPS 1/2-16 Pressure Range: 150lb 300lb JIS DIN Connection
Type: Flange connection Operation Method: Automatic Product
description: 1. Youfumi Lined check valves come in several forms,
all of which fulfill the same basic purpose, namely to allow
forward fluid flow, but to minimize backwards flow. They prevent
the back-flow of liquids in pipelines, prevent siphoning of pumps
and eliminates pump impeller rotation in opposite direction due to
back-flowing media. Generally check valve is automatically working.
Under the pressure function of one direction flow, the disc opens,
while when the liquid backflows, the valve will cut the flow. 2.
Youfumi lined swing check valves H44 have a disc that rotates or
swings out of the fluid flow in the forwards flow direction, but
that swings back against its seat to prevent backwards flow. 3.
Youfumi fully lined wafer swing check valve H74 is of two piece
construction with only one moving part, ideal for use in totally
lined piping systems in corrosion applications. The valve can be
mounted horizontally or vertically with upward flow. 4. Youfumi
lined ball check valve H40 do not have a spring to help with valve
closing, limiting their use to vertical lines with upwards forward
flow. The solid PTFE ball at valve body lining guarantees that ball
rolls into the seat due to gravitation. Self-cleaning effect due to
permanent ball rotation, resistance against solid particles. 5. It
can sustain any corrosive medium in addition to the? ? Molten
alkali metals and fluorine elements? ? . It is ideal products used
in chlor-alkali, industrial in organic chemicals, metal and mining,
nitrogen and phosphatic fertilizers, petroleum refining,
pharmaceutical etc. 6. Lining material: PFA, FEP, GXPO etc. 7.
Youfumi lined check valves are available as per the needs of
applications in additional sizes and other than standard materials.
Material Specification: 1. Body/Disc/Bonnet: A216 WCB+Lining
material; A351 CF8/A351 CF8M+Lining material; A351 CF3/A351
CF3M+Lining material 2. Ball: PTFE 3. Lining material: FEP; PFA;
GXPO 4. Bolt: A193 B7; A320 B8; A193 B8M /* March 10, 2023 17:59:20
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