82 & 83 Series

82 & 83 Series Double Eccentric High Perfomnce Butterfly Valves

Description:

Tight shut-o ffdesign.
One - piece body materials are either cast steel or stainless steel for excellent corrosion resistance.
High strength one-piece stem in A564 Gr.630 materials.
ISO 5211 mounting pad with square shaft permits direct mount actuation for both Manual (Lever & gear), pneumatic and electric actuators.
Double off-set configuration with conical angled disc design. Maximize flow and minimize resistance providing high Cv.
Seat available in either Soft (TFM-4215 / PTFE / RTFE) or. Metal (A240 Tp 316 / 304 ).
Both soft seats and Metal seats are interchangeable.
Gland Flange preventing uneven load distribution against packing.
Internal travel stop design to prevent over travel of the disc. Minimizing possible seat damage.

Technical characteristics

Size :

2” ~ 24”

Type:

Wafer , Lug

Pressure Rating:

Class 150#, 300#

Body Material:

A216 WCB Cast Steel and A351 CF8M Stainless Steel

Seat Material:

Soft Seat: TFM-4215, PTFE, RTFE, NBR, EPDM, FKM Metal Seat (A240 Tp 316 / 304)

Operation:

Lever , Gear, Pneumatic & Electric Automated

Drilling:

ANSI 150#, ANSI 300#

Optional:

JIS 10/16K, DIN PN 10/16, JIS 20/ 30K, DIN PN 25/ 40.

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STANDARDS

Valve Rating:

Top flange mounting pad: ISO 5211
Basic Design: API 609, MSS-SP-68, BS 5155, ISO 5752 Shell/Seat Test: API 598, MSS-SP-61
Seat Hydro: Class 150 (360 psig)
Class 300 (740 psig)

Metal to Metal seat leakage is rated at Class IV per ASME/FCI 70-2