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Sanitary Stainless Steel Seal Thread Butterfly Valve with Duckbill Handle

SS304/316L Sanitary Butterfly Valve (Male Thread Ends, Duckbill Trigger Handle)

Achieve precise, ergonomic flow control in your standard hygienic pipelines with the Aomite Sanitary Male Threaded Butterfly Valve.

Engineered for the food, dairy, and beverage industries, this specific model features machined male threaded ends (compatible with DIN, SMS, or RJT standards) for secure union nut connections. It is equipped with a highly durable, multi-position 'duckbill' trigger handle. By simply squeezing the spring-loaded lever, operators can effortlessly unlock, rotate, and lock the valve disc into multiple precise flow positions. The wetted valve body is forged from premium SS304/SS316L stainless steel and mirror-polished to a strict surface roughness of Ra ≤ 0.8μm, guaranteeing absolute sanitation and zero bacterial buildup. Available with extreme-temperature Viton or Silicone seals.

Quantity:
Color:	SLIVER
Size:	1
Availability:





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Model:
18
Brand:
AOMITE

Product Description

Technical Specifications

Parameter	Specification
Product Type	Sanitary Manual Butterfly Valve
Wetted Material (Forged)	SS304, SS304L, or SS316L Stainless Steel
Connection Type	Male Threaded Ends (DIN, 3A, SMS, ISO/IDF, BS/RJT available)
Operation Method	Manual Duckbill Handle (Squeeze-trigger multi-position locking)
Internal Surface Finish	Ra ≤ 0.4 ~ 0.8 μm (Mirror Polished for absolute hygiene)
External Surface Finish	Ra ≤ 0.8 ~ 1.6 μm
Available Port Sizes	DN15 to DN200 (1/2" to 8")

Sealing Material Options & Temperature Ratings

Seal Material	Working Temperature Range
EPDM (Standard)	-20°C to +135°C
SILICONE (VMQ)	-50°C to +180°C
VITON (FPM)	-30°C to +230°C

Duckbill Handle vs. Pull Handle Butterfly Valves: Which should I choose?

Duckbill / Trigger Handle (This Product)
Also known as a squeeze handle, it operates via a spring-loaded trigger. The operator squeezes the handle to release the locking pin, rotates it, and releases the trigger to lock it into one of several preset notches (usually every 15 or 30 degrees). It is extremely fast to operate with one hand and is ideal for small to medium valves (up to 4 inches) where rapid, frequent flow adjustments are needed.
Pull Handle
Features a solid rod with a ball knob. You pull the rod outward to disengage the lock. It provides much greater mechanical leverage, making it the better choice for very large, high-pressure valves (4 inches to 8 inches) that require more physical force to turn the disc.

Are sanitary male threads universal?

No, they vary by standard: Unlike Tri-Clamp flanges which are relatively universal, sanitary male threads come in different regional standards. The most common are DIN (German), SMS (Swedish), and RJT (British).
Thread Profile Differences: DIN uses a coarse round thread, while SMS uses a square-profile thread. You must specify your required standard when ordering to ensure the male threaded valve perfectly matches your existing union nuts and pipe fittings.