Manual PVC Knife Gate Valve 40-160mm Slide Paddle Water Gate Valve for Water and Chemical Liquid

Product Description

Product Description

China high quality plastic gate valve manufacturer

   We are a trusted manufacturer of plastic valves, fittings, and pipes, specializing in PVC, UPVC, CPVC, PP, PPH, PPR, and PVDF valves and fittings in sizes from 1/2″ to 16″. Our solutions are widely used in irrigation, water supply, chemical processing, and industrial fluid systems.

   With over 15 years of manufacturing experience, we have established a global presence, exporting to over 100 countries in South and North America, Southeast Asia, the Middle East, and Africa.As our business grows, we continuously upgrade our production technology and quality control systems to ensure stable product performance, improved efficiency, and faster delivery. We warmly welcome global partners to visit our factory in China and explore long-term partnerships.

Specification

PVC Knife Gate Valve

   A PVC Gate valve is generally designed to handle low to medium pressure and is not suitable for high-pressure applications.

Advantages of our PVC Knife Gate Valve

1. Superior Corrosion Resistance
Made from high-quality PVC, it is resistant to acids, alkalis, salt water, and a variety of chemical media, far surpassing traditional metal gate valves and making it particularly suitable for corrosive environments such as chemical and wastewater treatment.
2. Lightweight and Easy Installation
Compared to metal valves, this valve is significantly lighter, making handling and installation easier and reducing labor and transportation costs.
3. High Cost-Effectiveness
Optimized materials and processes ensure high performance at a price significantly lower than stainless steel or cast iron knife gate valves, saving customers' purchasing budgets.
4. Reliable Sealing, Zero Leakage
The specially designed seal and blade structure ensures a tight seal even under high-frequency operation, extending the valve's service life.

SIZE	DN	A	B	Ø			L	H	PN (Mpa)
mm(inch)				DIN	ANSI	BS
40mm(1-1/4")	32	143	115	40	42.16	42.16	68	57	0.35
50mm(1-1/2")	40	173	136	50	48.26	48.26	98	74	0.35
63mm(2")	50	206	163	63	60.32	60.32	108	86	0.35
75mm(2-1/2")	65	242	190	75	73.02	75.02	124	104	0.35
90mm(3")	80	312	222	90	88.9	88.9	128	150	0.35
110mm(4")	100	350	260	110	114.3	114.3	132	170	0.35
160mm(6")	150	510	380	160	168.28	168.28	172	242	0.35

Key Attributes and Guidelines for PVC Gate Valves

Essential Features:

Material: Composed of PVC, these valves excel in corrosion and chemical resistance, making them ideal for applications like wastewater treatment and irrigation.
Operation: The valves function by lifting a gate—either rectangular or circular—out of the fluid's path, enabling smooth flow. They often come with hand-operated, self-locking mechanisms.
Seal Integrity: These valves offer robust sealing features, minimizing the risk of leaks.
Pressure Range: Generally, these valves are engineered for low to medium-pressure systems and are not recommended for high-pressure use.

Important Considerations:

Sizing and Specs: Ensure the valve's dimensions align with your pipeline requirements and can handle the system's pressure and temperature conditions.
Compliance: Look for valves that meet recognized industry standards such as ANSI or ISO to ensure reliability and quality.
Usage: Consider the nature of the fluid and the operational conditions when selecting a valve.
Maintenance: These valves are generally low-maintenance but periodic inspections for wear are recommended.

SIZE(mm)	DN	L	L1	L2	D	D1	Material Remark
32mm (1")	28	69	148	105	32	42.5	"Handle-ABS Disc-ABS"
40mm (1-1/4")	32	73	148	105	40	50.5
50mm (1-1/2")	40	88	176	127	50	58
63mm (2")	50	106	202	145	63	72.5
75mm (2-1/2")	65	121	300	214	75	90
90mm (3")	80	126	300	214	90	108	"Handle-ABS Disc-SS/1Cr13"
110mm (4")	100	128	330	230	110	128
160mm (6")	150	184	470	328	160	180

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Packing & Delivery

  Final inspection is crucial to ensuring the quality and compliance of each plastic gate valve, fostering customer satisfaction and trust. Prior to shipment, we rigorously inspect the valve's appearance, dimensions, sealing performance, packaging, and labeling. 
  As a leading manufacturer of plastic gate valves, SWD Plastic offers a comprehensive support service, encompassing pre-sales consultation, production tracking, and after-sales maintenance. Adhering to the principles of prioritizing quality and customer satisfaction, our plastic gate valves are backed by a 24-month warranty, twice the industry standard. 

Company Profile

ABOUT US

SWD PLASTIC(Salvador Industrial Co.,Ltd) is a leading and professional manufacturer and exporter for UPVC, CPVC, PPH, PVDF pipes,valves and fittings in China. We stick to the principle of "Quality First, Service First, Continuous Improvement and Innovation to Meet the Customers', and the quality management objective of 'Zero Defect,Zero Complaints.
    Most of our products confim to ANS, DIN,BS, JIS & TIS standard and have been already sold to United States, Canada, Mexico, Chile,Colombia,Peru, Russia, Saudi Arabia, UAE,Iran,raq, Thailand, Philippines,Indonesia,Malaysia etc., With very good reputation.
    Welcome to our company visit and discuss business, sincerely hope our professional technology and individual service can win your trust and favor, jooking forward to cooperate with friends all over the world,let's do win-win business together!

Certifications

FAQ

Q1: Are you a factory or trading company?
A: We are a certified PVC pipes,valves and fittings manufacturer with 12 years' expertise, offering factory-direct prices and strict QC control.
Q2: What's your MOQ?
A: Standard MOQ is 10 cartons each size, but we accept sample orders for new clients to test quality.
Q3: How do you ensure product quality?
A: (1) 100% raw materials with raw material test report (2) 100% pressure testing (3) ISO 9001 certified production (4) Third-party inspections available.
Q4: What's your lead time for bulk orders?
A: 25-35 days for containers (FOB Ningbo/Shanghai). Urgent orders get production line priority.
Q5: Can you provide OEM services?
A: Yes! We offer custom packaging, laser logos, and technical drawings approval for OEM clients.
Q6: What payment terms do you accept?
A: (1) 30% T/T deposit + 70% before shipment (against BL Copy) (2) LC at sight (3) D/P at sight (4)PayPal for samples (<$1,000).
Q7: How to handle after-sales issues?
A: 12-month warranty. Replace defective products within 72 hours of complaint verification.
Q8: What's your production capacity?
A: 30+ containers/month with 5 fully automated production lines, ensuring stable supply for bulk orders.