Wafer Soft Seal Butterfly Valve|Yuming Valve

Introduction

Product Advantages

All products can provide the pressure test: All Yuming products can provide the pressure test report before leaving the factory.
High performance seat rubber: The rubber content is 50%, and the switch life is more than 30000 times
Soft seat: Compared with the hard seat, the contact surface between pipes and flanges is more wider than hard seat, and sealing performance of installation is better, and the special flange of the butterfly valve is not required;
Axial seal: The shaft is supported by 4 oil-free bearings, with o-ring and oil seal double seal structure design, smaller torque and reliable seal;
Surface coating: Epoxy powder coating is adopted, with strong adhesion and good weather resistance. It can be used indoors and outdoors.
Ductile iron handle: The handle is made of ductile iron, compared with Stamping handle, ductile iron handle is more better strength, stronger corrosion resistance and much more durable. The end handle with half-round structure design, is no edges and corners and feels very good.
The design of shaft is blow-off resistant: The no-pin butterfly valve is designed with anti blow-off structure, and handle can be changed under pressure.

Design standards
Design and manufacturing standards: GB/T 12238
Structure length standard: GB/T 12221
Test standard: GB/T 13927
Upper flange connection standard: ISO 5211
Flange size standard: GB/T 17241.6, ASME B16.5, ASME B16.47,
ASME B16.1, JIS B2220

Material of main parts
Body material: DI
Butterfly plate material: DI, CF8, CF8M, CF3, CF3M, 1.4529, C594, C598
Seat material: EPDM, NBR, Viton
Valve shaft material: SS416, SS420, SS304

DATA

DN		A	D1	L1	L2	L3	B	φD2	φD3	n-φd	L
1.5″	DN40	34	62.5	55.5	111.5	25	9	65	50	4-8	249
2″	DN50	43	80	72	132	25	9	65	50	4-8	249
2.5″	DN65	46	95	86	138	25	9	65	50	4-8	249
3″	DN80	46	113	96	153	25	9	65	50	4-8	249
4″	DN100	52	135	108	167	28	11	90	70	4-10	283
5″	DN125	56	163	125	184	28	14	90	70	4-10	283
6″	DN150	56	190	138	195	28	14	90	70	4-10	283
8″	DN200	60	244	170	236	33	17	125	102	4-12	390
10″	DN250	68	298	209	266	33	22	125	102	4-12	390
12″	DN300	78	350	236	305	33	22	125	102	4-12	540