Resilient Seated Butterfly Valve Series 30/31 | Bluebell - Authorized Valve Dealer & Supplier

Resilient Seated Butterfly Valve Series 30/31 | Bluebell - Authorized Valve Dealer & Supplier

Butterfly Valves Categories

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Series 30/31

Resilient Seated Butterfly Valve

DESCRIPTION:

The Series 30/31 is engineered to provide bidirectional bubble-tight shutoff and isolation of the line media from the stem and valve body.

SPECIFICATIONS:

• TMA: Max. -20°F to 400°F (-29°C to 204°C).

• PMA: Max. - 175 psi (12 Bar), 150 psi (10 Bar)

• DISC: Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel, Hastelloy©, Halar© Coated Ductile Iron

• MOC: Cast Iron, Ductile Iron, Carbon Steel, Aluminum

• SEAT: BUNA-N, EPDM, FKM, Polyurethane

Available Sizes

Detailed Specifications

Size Range:NPS 2 to 24 / DN 50 to 600

Temperature Range:0°F to 392°F (-18°C to 200°C)

Maximum Pressure:150 psi (10 Bar)

Shutoff Rating:Bidirectional Bubble-tight

Body Style:Wafer, Lug

Body Materials:Ductile Iron, Carbon Steel, Stainless Steel

Stem Materials:17-4 PH Stainless Steel

Seat Materials:PTFE, Conductive PTFE, UHMWPE

Disc Materials:Stainless Steel, PTFE/SS, PFA/SS, UHMWPE/SS, UHMWPE/DI, Hastelloy©, Titanium

Product GAD

Bray Butterfly Valves Series 30/31 Design

Dimensions

Valve Size	A	B	C	D	E	F	Top Plate Drilling			G	H	J	K	L		Adapter Code	Weight (Kg)
Valve Size	A	B	C	D	E	F	BC	No of Holes	Hole Diameter	G	H	J	K	Wafer	Lug	Adapter Code	Wafer	Lug
50	94	41.2	51	72	140	90	70	4	10	14	10	32	34	56	58	A	2.5	3
65	106	44.5	64	85	152	90	70	4	10	14	10	32	39	63	65	A	3	3.5
80	124	44.5	76	102	159	90	70	4	10	14	10	32	65	71	71	A	3.5	4
100	154	50.8	102	131	178	90	70	4	10	16	11	32	91	87	104	B	5	7
125	181	54.0	127	156	190	90	70	4	10	19	13	32	118	102	117	C	6	9
150	206	54.0	146	178	203	90	70	4	10	19	13	32	138	115	129	C	8	10
200	267	63.5	197	240	241	150	125	4	14	22	16	32	189	146	154	D	15	19
250	324	63.5	248	291	273	150	125	4	14	30	22	51	242	181	195	E	22	30
300	378	76.2	298	342	311	150	125	4	14	30	22	51	291	206	229	E	30	40

Dimensions

Valve Size	A	B	C	D	E	F	Top Plate Drilling			G	J	Key Size	K	L		Adapter Code	Weight (Kg)
Valve Size	A	B	C	D	E	F	BC	No of Holes	Hole Diameter	G	J	Key Size	K	Wafer	Lug	Adapter Code	Wafer	Lug
350	433	76.2	337	388	346	150	125	4	14	35	51	10x10	331	238	252	F	43	52
400	488	101.6	387	442	375	150	125	4	14	35	51	10x10	377	273	287	F	61	75
450	536	108.0	438	495	406	210	165	4	21	50	64	12x10	428	305	309	G	91	103
500	591	127.0	489	548	438	210	165	4	21	50	64	12x10	476	348	358	G	118	138

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