FLOMECH VALVES
GST : 19AFQPP1276G1ZZ

Rubber Lined Diaphragm Valve

Name: Rubber Lined Diaphragm Valve
Brand: FLOMECH VALVES

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MOQ : 1 Piece

Rubber Lined Diaphragm Valve Specification

Connection
Flanged Ends

Size
15 mm to 300 mm

Color
Blue (Body), Black (Rubber Lining)

Application
Chemical, Water Treatment, Mining, Process Industries

Pressure
PN10/PN16

Type
Diaphragm Valve

Material
Body: Cast Iron/ Ductile Iron; Liner: Rubber

Temperature
Up to 120C

Media
Water, Air, Oil, Chemicals, Slurries

Standard
DIN/BS/ANSI Standard

Power
Manual/Actuated

Port Size
15 mm to 300 mm

Model
Rubber Lined Diaphragm Valve

Characteristics
Corrosion Resistant, Leak Proof, Rugged Design

Rubber Lined Diaphragm Valve Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
10 Pieces Per Day

Delivery Time
15 Days

About Rubber Lined Diaphragm Valve

Rubber Lined Body Diaphragm Valve : Weir Type

Weir type, Non-rising Stem, Bolted Bonnet, Hand wheel operated.

Flanges are as per BS: 10, Table-D.

Alternative Flanges shall be provided.

Alternative Materials shall be provided.

Nomenclature And Materials :

1.	Body	Cast Iron IS:210 FG.200
2.	Diaphragm	Rubber (Natural / Neoprene / Butyl / Hypalone)
3.	Bolts & Nuts	Carbon Steel
4.	Compressor	Cast Iron IS:210 FG.200
5.	Bonnet	Cast Iron IS:210 FG.200
6.	Compressor Pin	Stainless Steel AISI - 410
7.	Thrust Bearing	Carbon Steel (150mm and above sizes)
8.	Bush	Carbon Steel
9.	Grease Nipple	Carbon Steel
10.	Spindle	Stainless Steel AISI - 410
11.	Grub Screw	Carbon Steel
12.	Hand Wheel	Cast Iron IS:210 FG.200
13.	Lining	Rubber (Natural / Neoprene / Butyl / Hypalone)
Hydrostatic Test Pressure in Kg/Cm2 (PSI)
SIZE			Shell	Seat
15mm to 150mm			14 (200)	10.5 (150)
200mm to 300mm			10.5 (150)	7 (100)

DIMENSIONS ARE IN MM

Size (MM)		15	20	25	32	40	50	65	80	100	125	150	200	250	300
BS : 5156	A	108	117	127	146	159	190	216	254	305	356	406	521	635	749
BS : 5156	A1	114	123	133	152	166	196	222	260	311	362	412	529	645	759
DIN 3202 F1	A	130	150	160	180	200	230	290	310	350	400	480	600	730	850
DIN 3202 F1	A1	136	156	166	186	206	236	296	316	356	406	486	608	740	860

Alternative arrangement can be provided are as under:

Rising Spindle with Travel Stop,
Chain Wheel operation,
Non-rising Stem with indicating bonnet,

Pneumatic/ Electric Actuator fitting.

High-Performance Rubber Lined Diaphragm Valves

These valves are designed to deliver reliable flow control in demanding industrial environments. The cast iron or ductile iron body paired with durable rubber lining ensures resistance to corrosive and abrasive media, providing long-term leak-proof performance. Ideal for a variety of fluids, including slurries and chemicals, the valve features a flanged end for secure installation.

Versatility for Industrial Applications

With compatibility for media such as water, air, oil, and chemicals, these valves are widely used in chemical plants, water treatment facilities, process industries, and mining operations. Their ability to manage varying pressures and temperatures makes them a dependable choice for both standard and challenging fluid control tasks.

FAQs of Rubber Lined Diaphragm Valve:

Q: How does a rubber lined diaphragm valve ensure leak-proof sealing?

A: A rubber lined diaphragm valve uses a flexible rubber-lined diaphragm that presses against the valve seat to form a tight, elastic seal. This design effectively prevents leaks even when handling aggressive or abrasive media, ensuring reliable operation and long service life in corrosive environments.

Q: What are the primary applications of rubber lined diaphragm valves?

A: These valves are commonly used in chemical processing, water treatment plants, mining, and general process industries. They are designed to handle a range of media such as water, air, oils, chemicals, and slurries, making them versatile solutions for various industrial flow control needs.

Q: When should I choose a rubber lined diaphragm valve over other valve types?

A: Rubber lined diaphragm valves are the optimal choice when handling corrosive, abrasive, or viscous fluids. They provide excellent resistant properties and are recommended for situations where leak-proof performance and chemical compatibility are critical.

Q: Where are these valves typically installed within an industrial plant?

A: They are usually installed at points where precise shut-off or throttling of aggressive liquids and slurries is required, such as in pipelines of water treatment systems, chemical dosing lines, and slurry handling circuits within industrial and mining facilities.

Q: What is the standard process for installing a rubber lined diaphragm valve?

A: Installation typically involves flanged-end connections, which match standard DIN, BS, or ANSI specifications. The valve is mounted between flanges on the pipeline and tightened securely to ensure a leak-proof seal between the piping and the valve body.

Q: How can the valve be operated, and what are the available port sizes?

A: This valve can be manually operated or actuated for automated control. Port sizes are available from 15 mm up to 300 mm, accommodating a wide range of pipeline diameters for diverse industrial applications.

Q: What benefits do rubber lined diaphragm valves offer to users?

A: Key benefits include corrosion and abrasion resistance, superior leak-proof performance, compatibility with a wide range of chemicals and slurries, and durability under varying pressures and temperatures. These features contribute to reduced maintenance needs and extended valve life, enhancing operational efficiency.

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