1078D Butterfly Valve (Wafer Type), PN 1.0 with Pneumatic Actuator | Bluebell

Butterfly Valve (Wafer Type), PN 1.0 with Pneumatic Actuator

Article Code: 1078D

Steam

Water

Oil

Air

Gases

Design Standard IS 13095 / BS EN 593 (BS 5155).
Wafer Type.
Double Acting Pneumatic Actuator Operated.
S.G Iron construction.
Stainless Steel (CF8 / CF8M*) Disc which is accurately guided between the two stems.
Actuator is with position indicator and adjustable center stopper for both open and closed position.
Scotch Yoke Technology as the most suitable mechanism for valve and damper operation, producing higher torque at both end positions.
Actuator is without Rack and Pinion for smooth operation and longer life.
Integrally moulded rubber lining (EPDM / Nitrile / Neoprene* / Viton* / Silicon*) as per requirement which provides seating to the valve disc, as a primary seal to the stem and gasket joint with matching pipe flanges.
Two Piece Stem design which is precisely guided between the PTFE / Bronze bushes.
Compatible to sandwich between flanges as per BS 10 Table D, E, F,H, DIN, PN 10, PN 16, PN 25, PN 40, ASA 150, ASA 300, IS 778, IS 6392 Table 17 and IS 1538.

Available Sizes

P.No.	Name of Part	Material of Construction	Specification	Qty.
1	Pneumatic Actuator	– – –	– – –	1
2	Actuator Base	Carbon Steel	– – –	1
3	Packing Bush	Bronze	IS 318 Gr. LTB 2	1
4	Upper Stem	Stainless Steel	IS 6603 Gr. 12 Cr12	1
5	Body	S.G Iron	IS 1865 Gr. 400/15	1
6	Disc	Stainless Steel	IS 3444 Gr. 1 / ASTM A 351 Gr. CF8	1
7	Studs for Actuator	Carbon Steel	– – –	1
8	Bush	Bronze	IS 318 Gr. LTB 2	1
9	Lower Stem	Stainless Steel	IS 6603 Gr. 12 Cr12	1
10	‘O’ Ring	Nitrile Rubber	IS 5192 – 1	1
11	L – Key Screw	Carbon Steel	– – –	1
12	L – Key Bolts & Nuts	Carbon Steel	– – –	4 Each
13	Locking Washer	Spring Steel	– – –	1
14	Body Lining	EPDM / Nitrile	IS 5192 – 1	1
15	Name Plate	Aluminium	– – –	4
16	Nuts	Carbon Steel	– – –	4
17	Spring Washer	Spring Steel	– – –	4

Size (Inches)	Size (mm)	A ± 1.5	ØB	C~	D~	E~	Actuator Model No.
1 1/2	40	33	40.6	57	223	185	PD 50
2	50	43	52.4	73	235	185	PD 50
2 1/2	65	46	67	80	250	185	PD 50
3	80	46	81.3	88	258	185	PD 50
4	100	52	101	110	306	250	PD 70
6	150	56	151	151	340	250	PD 70
8	200	60	201.6	180	445	350	PD 100