Leader Gun Metal Gate Valve Flanged End

Leader Gun Metal / Bronze Flanged Gate Valve (Class 1 & Class 2)

The Leader Gun Metal / Bronze Gate Valve (Item Codes: IS 006 for Class 1 and IS 012 for Class 2) is engineered for reliability in above-ground fluid handling systems. Designed in compliance with IS 778 and tested according to IS 6157 standards, this heavy-duty, full-bore gate valve features a screwed-in bonnet, outside screw and yoke (OS&Y), a rising stem, and integral seating.

Key Features & Engineering Highlights

IS 778 Compliant Design: Built to standard specifications with flanged end connections (FF) for secure integration into pipeline systems.
Heavy-Duty Full Bore: Ensures optimal flow with minimal pressure drop.
Outside Screw & Yoke (OS&Y) Rising Stem: High-tensile brass stem offers superior durability and easy visual confirmation of the open/closed position.
Online Maintenance Capability: Features provision for repacking under pressure while installed.
Ergonomic Operation: Fitted with a sheet metal handwheel for convenient operation; optional open-shut indicators and locking mechanisms are available upon request.

Technical Specifications

Parameter	Class 1 Specification	Class 2 Specification
Item Code	IS 006	IS 012
Size Range	15 mm to 100 mm	15 mm to 100 mm
Max Working Pressure	10 Bar (1.0 MPa)	16 Bar (1.6 MPa)
Max Working Temp	45°C (See P/T diagram for details)	45°C (See P/T diagram for details)
Hydrostatic Body Test	1.5 MPa (217.5 psig)	2.4 MPa (348 psig)
Hydrostatic Seat Test	1.0 MPa (145 psig)	1.6 MPa (232 psig)
Compatible Media	Water, Neutral Liquids, Air, Gases	Water, Neutral Liquids, Air, Gases

Material Specifications

Part No.	Part Name	Material	Standard / Grade
1	Screw	Carbon Steel	IS 1367
2	Washer	Carbon Steel	IS 2062 Gr. A
3	Hand Wheel	Cast Iron / M.S. Sheet	IS 210 Gr. FG200 / Powder Coated
4	Bonnet	Leaded Tin Bronze	IS 318 Gr. LTB2
5	Stem	High Tensile Brass	IS 6912 Gr. FHTB1
6	Gland	Leaded Tin Bronze / Brass Rod	IS 318 Gr. LTB2 / IS 6912 Gr. FHTB1
7	Packing	Hemp & Jute	IS 5414
8	Body	Leaded Tin Bronze	IS 318 Gr. LTB2
9	Wedge	Leaded Tin Bronze / Forged Brass	IS 318 Gr. LTB2 / IS 6912 Gr. FLB
10	Studs & Nuts	Carbon Steel	IS 1363 Gr. 4.6 / IS 1363 Gr. 4

Dimensions (mm)

Size (mm)	L	~H	~ØHW	Øb	ØD	T	K	n	Ød	Item Code (CL-1)	Item Code (CL-2)
15	72	115	62	15	95	6	65	4	14	IS006	IS012
20	76	120	62	20	105	6	75	4	14	IS006	IS012
25	90	145	70	25	115	8	85	4	14	IS006	IS012
32	100	165	78	32	140	8	100	4	18	IS006	IS012
40	110	203	92	40	150	9	110	4	18	IS006	IS012
50	120	220	103	50	165	11	125	4	18	IS006	IS012
65	140	300	130	65	185	13	145	4	18	IS006	IS012
80	150	340	150	80	200	13	160	8	18	IS006	IS012
100	190	380	165	100	220	16	180	8	18	IS006	IS012

Legend: L = Face to Face, ~H = Height (Open), ~ØHW = Handwheel Diameter, Øb = Bore Diameter, ØD = Flange Outer Diameter, T = Flange Thickness, K = Pitch Circle Diameter (PCD), n = Number of Holes, Ød = Hole Diameter.

Applications & Utility

Leader Bronze Gate Valves are ideal for above-ground piping installations in commercial, industrial, and municipal infrastructure. Primary application media include: