Multi-Level Stainless Steel Butterfly Valve

Multi-Level Stainless Steel Butterfly Valve Parameter Specifications Industry Applications

Multi-Level Stainless Steel Butterfly Valve

Product Overview

The Multi-Level Stainless Steel Butterfly Valve is designed for precise flow control in industrial pipelines, offering multi-stage throttling for better pressure management and energy efficiency. Its stainless steel construction ensures corrosion resistance, high strength, and durability under a wide range of temperatures and pressures. This valve is suitable for water treatment, chemical processing, HVAC systems, and industrial utility pipelines requiring accurate flow modulation.

OEM & Customization Capabilities:

Full OEM support including custom branding, valve design, and packaging
Multi-level flow control customization for specific pressure drops
Customizable sizes, pressure ratings, and stainless steel grades
Optional actuation: manual, gear, electric, pneumatic
Special coatings and surface treatments for corrosive or abrasive media
Custom flange patterns and end connections (wafer, lug, flanged)
Adjustable disc and seat materials for high wear or chemical resistance
Fire-safe and anti-static designs available

Certifications:

ISO 9001 Quality Management System
API 609 / ISO 5752 Butterfly Valve Standards
CE / PED Compliance
Fire-safe certification (API 607 / ISO 10497)
NACE MR0175 / MR0103 for corrosive environments
ISO 5208 Pressure Testing Standard

Parameter Specifications

Parameter	Specification / Range
Valve Type	Multi-Level Butterfly Valve
Body Material	Stainless Steel (SS304, SS316, SS316L)
Disc Material	Stainless Steel, Duplex SS, or Alloy Coated
Seat Material	EPDM, NBR, PTFE, RPTFE, Metal Seat
Size Range	DN50 – DN1200 (NPS 2" – 48")
Pressure Rating	PN10 – PN40 / Class 150 – Class 300
End Connection	Wafer, Lug, Flanged, Butt Weld
Operating Temperature	-20°C to +200°C (Soft Seat)
High-Temperature Option	Up to +450°C (Metal Seat)
Operation Method	Manual Lever, Gearbox, Electric, Pneumatic
Leakage Class	ANSI/FCI 70-2 Class VI (Soft Seat)
Fire Safe Design	API 607 / ISO 10497
Anti-Static Design	Available
Multi-Level Control	Adjustable multi-stage throttling disc
Testing Standard	API 598 / ISO 5208

Industry Applications

Multi-Level Stainless Steel Butterfly Valves are widely used in industries requiring precise flow control, multi-stage throttling, and corrosion resistance:

Water & Wastewater Treatment

Flow control in municipal water systems
Wastewater pumping stations
Water recycling and treatment plants

HVAC & Energy Systems

Chilled water and hot water distribution
Steam and thermal energy pipelines
District heating and cooling networks

Chemical & Petrochemical Industry

Corrosive chemical transport
Process pipelines requiring precise throttling
Industrial utility water and chemical dosing systems

Food & Beverage Industry

CIP systems (Clean-in-Place)
Liquid processing pipelines
Beverage and dairy flow control

Power Generation

Boiler feedwater and condensate lines
Cooling water systems
Steam distribution networks

Marine & Offshore

Ballast water systems
Seawater piping for ships and platforms
HVAC and utility piping onboard

Key Advantages:

Multi-level throttling for precise flow and pressure control
High corrosion resistance with stainless steel construction
Fire-safe and anti-static options for hazardous environments
Wide range of actuation options for manual or automated control
Long-term durability with minimal maintenance
Suitable for corrosive, abrasive, and high-temperature media

CUSTOMIZED SERVICE Customized Product

Material customization plan

Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.

Structural optimization design

For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.

Interface standard adaptation

Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.