Concentric Butterfly Valve- Loose Liner (soft seat) - Series DC1
(DN50-DN900/ 2"-36")
Available style: wafer butterfly valve -DC100, DC110
Lug butterfly valve -DC102, DC112
Flanged butterfly valve-DC104, DC114
...
Specifications:
General Design: API609, EN593, BS5155, MSS SP-67, AS2129 TABLE D/E.
Face to Face: ISO5752 Series 20, API609, MSS SP-67, AS4795.
Leakage Test: API598, BS EN12266, ISO5208, AS4795.
Applicable Flange:
ASME B16.1 Class 125#.
ASME B16.5 Class 150#,ASME B16.47 CLASS 150# SERIES A or B.
EN 1092 / DIN 2501, PN6, PN10, PN16.
BS 4504 PN6, PN10.
ISO 2084 PN6, PN10.
JIS 5K, 10K, 16K.
AS 2129 TALBE D ,E.
Referred parts of Materials:
| Part Name | Materials |
| Body | Grey lron, Ductile lron, Carbon Steel, Stainless Steel, Al-Bronze, Duplex, Titanium |
| Disc | Ductile lron, Carbon Steel, Stainless Steel, Al-Bronze, Monel, Hastelloy, Duplex, Titanium |
| Stem | Stainless Steel, Duplex Stainless Steel, Al-Bronze, Monel, Hastelloy, Duplex, Titanium |
| Seat | EPDM, NBR, Viton, PTFE, Hypalon, Silicone, Neoprene, PTFE, PFA, FEP |
| Bushing | PTFE,Nylon |
| O-Ring | EPDM, NBR |
| Pin | Stainless Steel, Monel |
| Operation | Bare stem/ Lever/ Gear/ electric actuator/ pneumatic actuator |
Product Feature:
●Simple structure and rapidly open & close operation.
●Low torque with perfect profile of disc seal edge.
●Bi-directional bubble-tight sealing, with no leakage under pressure.
●lnstalled both vertical and horizontal direction.
●Various applications under different operating conditions.
Application:
Well used in fire fighing, civil construction, water treatment, sewage engineering, mining industry, munical project etc.




