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Metal Seated Ball and Seat

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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Zhejiang
Validity to: Long-term effective
Last update: 2020-01-05 04:04
Browse the number: 349
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Product details

Metal seated ball and seat is our key product. The core competence is our lapping technology. We are constantly improving the lapping process. Our original lapping machines are used to solve the problem of quality instability which is lapping by manual. The fully automatic lapping machine can obtain the minimum roughness to assure the “zero leakage”, guaranteed with alcohol test and kerosene test.


Size:

NPS 1/2”-20” (DN15~500)

Pressure Rating:

Class 150~2500 (PN16~420)

Base Material:

Ferrite Steel: ASTM A105, A350 LF2,

Austenitic Steel: A182 F304, F304L, F316, F316L, F317, F321

Duplex/Super Duplex Steel: A182 F51, A182 F53, A182 F55, A182 F60

Martensitic Stainless Steel: A182 F6a/AISI 410

Precipitation Hardening Steel: 17-4PH

Nickel Alloy Steel: Inconel 625, Inconel 718, Inconel 825, Monel 400, Monel 500, Hastelloy

Surface treatment:

Tungsten Carbide (TCC)

Chrome Carbide (CCC/CRC)

Stellite (STL)

Ni60/Ni55

Roundness:

0.01~0.02

Roughness:

Ra0.2~Ra0.4

Coaxiality:

0.03~0.08

Thickness:

120~350µm

Hardness:

900~1400HV

http://www.qzvalveball.com/

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