PTFE NBR Rubber Sandpiper Pump Repair Kit Diaphragm

Product Description

Specification

Spare parts Product name	1. Manifold, Suction 2. Manifold, Discharge 3. Chamber 4. Central block 5. Diaphragm 6. Check valve ball 7. Check valve seat
Reverse-engineering	FARO 3D Laser Scanning, Computational Fluid Dynamics CFD
Material	PP / PVDF / Aluminum / SS316 / Cast iron Aluminum / SS316 / PP Santoprene / PTFE / Buna-N / Viton / EPDM / Neoprene / TPO ALuminum / Buna-N / EPDM / Nepprene / SS316 / PTFE / PP / PVDF / Uhmw Polythylne
Mould and Molding	Investment casting mould, Plastic die-casting molding
Process	CNC machining, Auto lathe machining, Meter lathe machining, Wire cutting, EDM cutting, Gringding, Milling, Drilling, Screwing, Cutting, Stamping
Surface treatment	Blacking, Polishing, Anodize, Chrome plating, Zinc plating, Nickel plating or other as requirements
Inspection	Material certificate, Hydrostatic testing, Impeller static & dynamic balancing testing, Non-destructive testing(PT/ RT/ UT/ MT), 3D coordinator, Hardness tester, Roughness tester
Certificate	ISO9001:2015, ISO14001:2004
Packing	1. Small part, single packed then put into paper carton 2. Wooden crates suitable for shipping on the sea 3. We also consider customers' special needs for packing
Delivery	30days after receiving the deposit.
Payment	70%TT in advance and the balance is paid against the copy of B/L.
Mode of transport	1. Express   2. Sea freight   3. Air shipping   4. Land transport   5. Post

Company Profile & Services

Dongguan Vinsome Co., Ltd.

DONGGUAN VINSOME is a professional provider of integrated technical solutions in fluid machinery, fluid engineering, industrial automation, and variable frequency drives.
Academic & Research Partnerships:
National Research Center of Pumps — pump hydraulic design, flow simulation, intelligent energy-saving technology
Chinese Academy of Sciences — special coating technologies for corrosion and wear resistance
Guangdong University of Technology — industrial control, intelligent equipment, and VFD systems

Our Services

      Backed by a professional technical team including 8 specialists in fluid engineering, electrical engineering, and electronic engineering, and long-term cooperation with leading universities and research institutions, we are committed to delivering reliable, high-quality products and services to customers worldwide.
Our team can provide:
1.Customized OEM/ODM solutions
2.3D scanning & reverse engineering for pump replacement parts
3.Overseas on-site equipment installation & commissioning
4.Spare parts supply & after-sales support
5.Pump selection & system design
6.Quality assurance supported by R&D partnerships & coating technology expertise

Factory Exhibition

      Dongguan Vinsome operates multiple manufacturing facilities across China, including dedicated plants for mechanical seal manufacturing, automation equipment production, and PCB manufacturing. With 50–100 employees across the group, we combine trading, manufacturing, and technical development capabilities to serve customers worldwide. Our manufacturing operations are backed by internationally recognized quality management system certifications, ensuring consistent product quality across all facilities and processes.

Main Product

Air-Operated Diaphragm Pump

Vertical Multistage Centrifugal Pump

Radially-split Multistage Centrifugal Pump

Submersible Screw Centrifugal Pump

High Pressure Centrifugal Pump

Screw Pump

      Dongguan Vinsome specializes in the research, development, and manufacturing of industrial pumps and pump spare parts. Our R&D capabilities in pump hydraulic model design, hydraulic characteristics research, and numerical flow simulation enable us to develop and manufacture pumps optimized for efficiency, reliability, and durability.
      Our product range covers both standard pump models and customized solutions tailored to specific flow, head, and operating conditions. Every pump and spare part undergoes rigorous hydraulic performance testing and quality inspection before delivery, supported by our professional technical team.

Production Process

Certifications

Partner

      We warmly welcome customers who are interested in our products and have cooperation intentions to visit our office or factory. We will treat every customer with the highest level of respect and hospitality we can provide, while showcasing our working environment, company heritage, and the actual production process of our factory

Packing and Shipping

Pump Type	Centrifugal pump, Submersible sewage pump, Diaphragm pump, Liquid ammonia pump, End suction pump, Multistage pump, Self-priming pump
Application	Agricultural irrigation, Industrial water supply, Municipal water, HVAC, Oil & Gas, Mining, Power generation, Chemical processing, Sewage treatment, Marine
Material Standard	ASTM, ANSI, SAE, UNS, DIN, EN, ISO, TOCT
Material Options	Cast iron, Wear-resistant cast iron (ASTM A532), Cast steel (ASTM A216 WCB), Stainless steel (CF8/CF8M/316L/304), Duplex SS (ASTM A890 Gr.4A), Cast alloy steel (ASTM A217), Bronze, Titanium, Hastelloy
Impeller Type	Closed impeller, Open impeller, Semi-open impeller, Double suction impeller
Casting Method	Investment casting (precision), Sand casting, Lost wax casting
Machining	CNC machining, Auto lathe machining, Meter lathe machining, Wire cutting, EDM cutting, Grinding, Milling, Drilling, Boring
Assembly	Dynamic balancing (ISO 1940 G6.3/G2.5), Run testing, Performance curve verification
Major Components	Pump casing (volute), Impeller (closed/open), Shaft, Bearing housing, Bearing cover, Mechanical seal / Packing seal, Coupling, Baseplate, Motor
Shipping Mode	1. Sea freight (FOB/CIF) 2. Air freight (urgent/small) 3. Express (DHL/FedEx/UPS for spare parts) 4. Land transport 5. Rail transport