English
Home / Products / Butterfly Valves / Lug Type Butterfly Valves / Stainless Steel 304/316 Flanged Sludge Drain Valve for Chemical Sewage

loading

Stainless Steel 304/316 Flanged Sludge Drain Valve for Chemical Sewage

The Type JM Diaphragm Quick-Opening Blowdown Valve (referred to as the
Blowdown Valve for short) is an angle-type shut-off valve actuated by a hydraulic or
pneumatic power source.
Availability:
Quantity:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
kakao sharing button
snapchat sharing button
telegram sharing button
sharethis sharing button

Product Description

Product Description

不锈钢排泥阀.png
排泥阀1.png

Usage Scenarios

The Stainless Steel 304/316 Flanged Sludge Drain Valve is a highly reliable fluid control solution specifically engineered for demanding chemical sewage, wastewater treatment, and industrial effluent applications. Designed to handle harsh environments, this valve offers superior corrosion resistance and structural integrity, making it an essential component for modern water treatment facilities aiming to optimize their sludge discharge processes and minimize operational downtime.

In practical applications, it is usually installed in rows on the outer side wall at the bottom of sedimentation tanks. Its primary function is to efficiently discharge heavy sludge, grit, and concentrated contaminants deposited at the tank bottom. This rapid blowdown capability prevents sludge buildup, maintains effective tank volume, and ensures continuous, efficient water purification.

Unlike traditional designs, the valve uses a premium nylon-reinforced rubber diaphragm to divide the valve body into two distinct chambers. Connected to a hydraulic or pneumatic power source, the system is precisely controlled by an electric or manual 2/4-way directional control valve to achieve quick and thorough blowdown.

By adopting a diaphragm mechanism instead of a conventional piston, this pneumatic quick-opening blowdown valve completely eliminates motion friction. This innovative design makes it exceptionally suitable for handling particle-containing media such as thick sludge, chemical waste, and abrasive slurries, thus greatly extending the service life of the valve and reducing maintenance frequency for procurement and engineering teams.

Features

Designed to optimize operational efficiency and reduce long-term costs, this flanged sludge drain valve offers several distinct technical advantages:

  • 1. Advanced Double-Chamber Diaphragm Actuator: It adopts a double-chamber diaphragm actuator that ensures highly flexible and responsive opening and closing, providing reliable performance even under high-frequency operation in chemical sewage environments.
  • 2. Zero Motion Wear & Superior Clogging Resistance: Because the diaphragm isolates the moving parts from the fluid, no motion wear occurs. The valve will not leak water due to impurities and is not sensitive to sediment accumulation. Furthermore, it requires no lubrication and causes no mechanical wear, significantly lowering maintenance costs and preventing unexpected system failures.
  • 3. Low Driving Pressure & Easy Centralized Control: It features a low driving medium pressure requirement, making it energy-efficient. The system can be seamlessly integrated into automated setups and centrally controlled by a manual directional valve or an electromagnetic 4-way directional valve for easy, remote operation across large-scale treatment plants.
  • 4. Exceptional Durability and Longevity: Constructed from high-grade materials like Stainless Steel 304/316, it is highly resistant to chemical corrosion and mechanical stress. The robust construction ensures it remains durable with a long service life, providing excellent long-term value for demanding industrial purchasing needs.

Technical Specifications

Table 1: Technical Parameters Table

PN

1.0MPa

1.6MPa

2.5MPa

Body Test

1.5MPa

2.4MPa

3.75MPa

Seal Test

1.1MPa

1.76MPa

2.75MPa

Temperature

0℃-80℃

Actuation Method

Pneumatic,Hydraulic,Electric

Multiple Models Available

JM644X、JM744X、JM944X

Table 2: Main Component Materials

Part Name

Materials

Body,Middle Bonnet,Bonnet

Ductile Iron/Cast Steel/Stainless Steel

Diaphragm

NBR/EPDM+Nylon

Bushing

Copper Alloy/Stainless Steel

Sealing Ring

NBR/EPDM

Stem

Stainless Steel

Fasteners

Carbon Steel/Stainless Steel

External Connecting Pipe

Copper Alloy/Stainless Steel/PU

Table 3: Overall Dimensions (mm)

DN

φD

φK

N-Q

L1

L2

PN10

PN16

PN25

PN10

PN16

PN25

PN10

PN16

PN25

100

220

235

180

190

8-Φ19(18)

8-φ23(22)

146

130

150

285

300

240

250

8-φ23(22)

8-Φ28(26)

190

164

200

340

360

295

310

8-φ23(22)

12-φ23(22)

12-φ28(26)

220

200

250

395

405

425

350

355

370

12-φ23(22)

12-28(26)

12-Φ31(30)

260

220

300

445

460

485

400

410

430

12-φ23(22)

12-φ28(26)

16-Φ31(30)

280

260

350

505

520

555

460

470

490

16-φ23(22)

16-28(26)

16-Φ34(33)

315

300

400

565

580

620

515

525

550

16-928(26)

16-931(30)

16-φ37(36)

340

240

For more products, please contact us

Dependable Manufacturing Capabilities

As a dedicated manufacturer of industrial fluid control solutions, we prioritize strict production standards and reliable manufacturing capabilities. Our facilities are equipped to handle complex production requirements, ensuring every valve meets rigorous industrial demands. The detailed craftsmanship of our stainless steel valves reflects our commitment to providing dependable solutions for chemical and sewage applications. We maintain comprehensive quality inspections throughout the production cycle to support your project stability and reduce procurement risks.

详情图.png

Precision Forging and Production Process

Our manufacturing process relies on controlled forging techniques and precision machining. By maintaining strict oversight over the production workflow—from raw material selection to final assembly—we ensure the structural integrity and long-term stability of our valves in demanding environments. This systematic approach to manufacturing allows us to deliver fluid control products that withstand challenging chemical and sewage conditions, ultimately reducing maintenance frequency for your operations.

蝶阀工业图.png

Get in Touch for Catalogs and Quotes

Looking for more fluid control solutions or custom valve specifications? Our team is ready to support your purchasing requirements with detailed product catalogs, technical drawings, and competitive pricing. Connect with us directly to discuss your specific needs, request a quote, or explore our full range of industrial valves. Please use the contact information below to reach our specialists immediately and streamline your procurement process.

企业微信截图_17756973616287.png

For more products, please contact us

详情图.png
蝶阀工业图.png
企业微信截图_17756973616287.png
Previous: 
Next: 
Leave a Message
Contact Us
HuHang Technology Group Co., Ltd. is a well-known leader in the valve industry.

Products

Quick Links

Applications

Contact Us

Email: Eileenye@huhang.cn / tina@huhang.cn
WhatsApp:
Eileen: +852 5169 6374
Telephone: 
Eileen: +86-15906072387
Tina: +86-18150520502
Address: No. 11 meiyu road, Meiyu valve park, Luncang, Nan'an city, Quanzhou city, Fujian province, China
Copyright © 2026 HuHang Technology Group Co., Ltd. All Rights Reserved.