FLOMECH VALVES
GST : 19AFQPP1276G1ZZ

Diaphragm Valve Weir Type

Name: Diaphragm Valve Weir Type
Brand: FLOMECH VALVES

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MOQ : 1 Piece

Diaphragm Valve Weir Type Specification

Pressure
PN10, PN16, or as per requirement

Connection
Flanged / Screwed / Socket / Spigot End

Application
Chemical Industry, Water Treatment, Food & Beverage, Pharmaceuticals

Color
Blue / Black / Grey / As per requirement

Type
Weir Type Diaphragm Valve

Material
Cast Iron / Ductile Iron / Stainless Steel / PVC / PP

Media
Water, Air, Chemicals, Slurries

Standard
DIN / ANSI / BS

Power
Manual

Port Size
15mm to 300mm

Model
Weir Type

Diaphragm Valve Weir Type Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
10 Pieces Per Day

Delivery Time
15 Days

About Diaphragm Valve Weir Type

Diaphragm Valve : Weir Type

Weir type, Non-rising Spindle, 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
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
DIN 3202 F1	A	130	150	160	180	200	230	290	310	350	400	480	600	730	850
Hand Wheel Dia	C	75	75	95	115	115	130	165	200	240	305	320	455	570	670

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.

Versatile Material Options

Choose from cast iron, ductile iron, stainless steel, PVC, and PP for the weir type diaphragm valve. This diversity ensures compatibility with various media, including corrosive chemicals and slurries, making the valve a reliable solution across several industries.

Broad Application Scope

These valves are essential in the chemical industry, water treatment, pharmaceuticals, and food & beverage sectors. Their design ensures safe and efficient flow control under different operating conditions, contributing to process integrity and sustainability.

Comprehensive Connection Choices

The valve supports multiple connection typesflanged, screwed, socket, or spigot endallowing smooth integration into new or existing pipelines. This versatility helps reduce installation time and optimizes operational flexibility.

FAQs of Diaphragm Valve Weir Type:

Q: How does the weir type diaphragm valve function in fluid control applications?

A: The weir type diaphragm valve operates by pressing a flexible diaphragm against a weir-shaped seat within the body, effectively regulating flow and providing precise shut-off. Its design minimizes dead space, making it suitable for handling clean and viscous media.

Q: What materials are available for constructing the weir type diaphragm valve, and how do they affect media compatibility?

A: The valves are produced from cast iron, ductile iron, stainless steel, PVC, and PP, allowing selection based on chemical resistance, pressure requirements, and operating environment. Each material is tailored to ensure optimal durability when exposed to water, chemicals, or slurries.

Q: When should a weir type diaphragm valve be used in industrial processes?

A: These valves are ideal for applications where reliable isolation, minimal contamination, and straightforward maintenance are needed, such as in chemical processing, water treatment, food & beverage, and pharmaceutical operations.

Q: Where can these weir type diaphragm valves be installed, and what port sizes are offered?

A: They can be installed in pipelines using flanged, screwed, socket, or spigot connections. The available port sizes range from 15mm to 300mm, accommodating both small and large-scale system requirements.

Q: What is the process for selecting the appropriate diaphragm valve standard and pressure rating?

A: Selection is based on system specifications and fluid properties. The valves adhere to international standards such as DIN, ANSI, or BS, with pressure ratings like PN10 and PN16. Custom pressure specifications can also be provided as per project needs.

Q: What are the main benefits of using a manual weir type diaphragm valve?

A: Manual operation offers easy flow adjustment, dependable shut-off, and simplified maintenance. The valves design supports effective sealing and protection against leakage, making it a robust choice for diverse industrial media.