Cast Iron Butterfly Valves Models T-335 / T-337

Valve Category:

Butterfly Valves

Valve Subcategory

Cast Iron - Wafer Type

Manufacturer

Legend Valve

LEGEND MODELS T-335 and T-337 butterfly valves are a wafer design made of ASTM A-126 cast iron. They have an aluminum bronze disc and stainless steel shaft. They offer a bubble tight seal and are bi-directional flow. The extended neck is ideal for insulated pipe. The ten position handle is standard. Intended for general piping applications requiring a positive shut-off.

T-335AB: ALUMINUM BRONZE DISC, EPDM SEAT
T-335DI: DUCTILE IRON DISC, EPDM SEAT
T-335SS: 316 STAINLESS STEEL DISC, EPDM SEAT*


T-337AB: ALUMINUM BRONZE DISC, BUNA-N SEAT
T-337DI: DUCTILE IRON DISC, BUNA-N SEAT
T-337SS: 316 STAINLESS STEEL DISC, BUNA-N SEAT*


T-335AB-G: ALUMINUM BRONZE DISC, EPDM SEAT
T-335DI-G: DUCTILE IRON DISC, EPDM SEAT
T-335SS-G: 316 STAINLESS STEEL DISC, EPDM SEAT*


T-337AB-G: ALUMINUM BRONZE DISC, BUNA-N SEAT
T-337DI-G: DUCTILE IRON DISC, BUNA-N SEAT
T-337SS-G: 316 STAINLESS STEEL DISC, BUNA-N SEAT*


ALL BUTTERFLY VALVES ARE 200 W.O.G. NON-SHOCK.
*INDICATES SPECIAL ORDER ITEMS. PLEASE CONTACT CUSTOMER SERVICE FOR MORE INFORMATION
**UP TO 100 P.S.I. ONLY.

• Flange connection features of the valve's body conform to ANSI class 125/150 flange dimensions.
• Manufactured in conformance to the following standards:
  • MSS SP-67
  • API 609
  • AWWA C504
  • EN 593
• Manufactured in an ISO accredited facility

MATERIAL SPECIFICATION
	PART		MATERIAL		SPECIFICATION
	1	Body	Ductile Iron, epoxy coated		ASTM A536 UNS F32800
	2	Disc (optional disc material) (optional disc material)	Aluminum Bronze Ductile Iron Stainless Steel	(T-335AB, T-337AB)  (T-335DI, T-337DI)  (T-335SS, T-337SS)	ASTM B148 UNS C95800 ASTM A536 UNS F32800 ASTM A351 CF8M (investment cast 316)
	3	Seat: T-335AB & T-335AB-G T-337AB & T-337AB-G Seat backing	EPDM Buna-N (NBR) Phenolic resin		Commercial grade Commercial grade
	4	Upper shaft	Stainless steel		AISI 410 stainless steel
	5	Lower shaft	Stainless steel		AISI 410 stainless steel
	6	Bushings  (upper and lower)	PTFE		PTFE
	7	O-ring: T-335AB & T-335AB-G T-337AB & T-337AB-G	EPDM Buna-N (NBR)		Commercial grade Commercial grade
	8	Half ring	Stainless steel		AISI 316 stainless steel
	9	Washer	Stainless steel		AISI 316 stainless steel
	10	Retainer ring	Stainless steel		AISI 316 stainless steel

VALVE WEIGHT
VALVE SIZE	T-335-G T-337-G	T-365-G T-367-G	T-335 T-337	T-365 T-367
2"	26 lbs.	28 lbs.	9 lbs.	11 lbs.
2-1/2"	28 lbs.	30 lbs.	11 lbs.	13 lbs.
3"	28 lbs.	31 lbs.	11 lbs.	14 lbs.
4"	31 lbs.*	38 lbs.*	14 lbs.	21 lbs.
5"	35 lbs.*	43 lbs.*	18 lbs.	26 lbs.
6"	38 lbs.*	46 lbs.*	21 lbs.	29 lbs.
8"	62 lbs.*	74 lbs.*	35 lbs.	47 lbs.