Fmc Drilling Pump W11-435 Rubber Cylinder Packing Piston Cup 2.75" Seal

Product Description

Cylinder Piston Cup is a crucial component in reciprocating pump systems, particularly in the cylinder or piston chamber. It is a set of rings or seals that are installed around the piston or plunger to create a dynamic seal with the cylinder wall. The primary function of cylinder packing is to prevent leakage of the pumped fluid from the high-pressure side to the low-pressure side of the pump. There are many sizes like 2.25″, 2.75″, 3" are available, and we can make many more size as per requirement.

FMC BEAN Mud Pump Rubber Piston Cups

For preventing metal-to-metal contact between piston and cylinder during sliding (particularly in case of lateral forces), it is simple assembly and wear-resistant. The Piston cup can be used in several media ranging from water, mud and dry-running applications, it has good media resistance. Piston cup offer very good gliding behavior, good emergency running properties. Additionally, they help to attenuate mechanical vibrations.

 

Size	2-1/4", 2-3/4", 3" or as customer's requirement (Sample or Drawing)
Place of Origin	Hebei China
Brand Name	SIPAITUO/SPT
Material & Color	HNBR Aramid Fabric, Gold NBR Cotton Fabric, Black
Pump Model	Piston FMC 420, 435, L1122, L1622 etc
Used on drilling rigs	Atlas Copco, Boart Longyear etc.

 

 

FMC 420/435 Zirconia Ceramic Cylinder Liner
 

Ceramic cylinders are high-performance components installed in the fluid end of mud pumps, serving as the lining or sleeve for the main pump cylinder. Their primary function is to withstand extreme wear and pressure caused by abrasive drilling fluids, while ensuring smooth piston movement and maintaining internal sealing. Ceramic-lined cylinders dramatically increase service life compared to standard steel liners and reduce the frequency of part replacement. Manufactured from high-strength ceramics and often bonded to a stainless steel shell, these cylinders offer exceptional resistance to erosion, chemical exposure, and thermal stress. They provide a low-friction surface that enhances piston performance, reduces heat buildup, and ensures consistent fluid delivery under high-pressure conditions.

Our ceramic cylinders are fully compatible with mud pumps from FMC BEAN, ATLAS COPCO (Trido series), and TRIAQUA, and are available in multiple sizes (e.g., 2.75", 2.25") to suit different flow and pressure requirements.

 

Cylinder Ceramic Liner 2,75" steel jacket for FMC W11/L11/435 (1267586)

Pump Liner 2.75″ Ceramic Zerconia for FMC PUMP W11, L11, 435 used on Vermeer Navigator 24×40 SII, 36×50 SII and another drilling rigs.
 

This Ceramic liner is compatible with mud pump FMC W11/L11/435.

 

Key advantages:
1. Stable performance under extreme thermal and mechanical loads
2. Corrosion-resistant ceramic structure with ultra-smooth finish
3. Enhanced wear resistance for rugged drilling conditions
4. Reduces piston friction to extend service intervals

 

PISTON CUP 2.25" For FMC L0918. Engineered for mud pump fluid systems.

Compatible with Vermeer drilling rigs 33x44, 36x50, 24x40 SII, 36x50 SII.

 

For mud pump drive assemblies, Pistons are designed to create a seal and transfer force within the fluid system. Compatible with FMC L11/L16/L09/L06 mud pumps.

Key advantages:
1. Tolerates water and synthetic drilling fluids
2. Reliable sealing under continuous stress
3. Simple installation and piston cooling via micro-leakage
4. Chemical-resistant structure for long-term use

 

Company Profile

Packaging & Shipping

FAQ

Q1. Are you a factory or trading company?
We have factory in Xingtai and office in Shijiazhuang, Hebei Province. Convenient Transportation. It's not far from the Zhengding international airport. We warmly welcome clients from all over the world to come to our factory for visit and cooperation.

Q2. What's your sample policy ?
We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q3. Can you produce according to the samples or drawings?
Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q4. What's your Delivery time ?
If the good are in stock generally it is 3-5 working days after receiving your advance payment.
About 7-15 working days if we have mold or 21-28 working days without mold.
The specific delivery time depends on the items and quantity of your order quantity.

Q5.What's your payment terms?
For sample and small order, 100% Paypal. Western Union, T/T.
For bulk order, T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q6. Why choose to cooperate with you? What's your advantage?
1). Strong point:We have our own factory,so the price can be competitive and the quality is reliable.
2). We can offer you a good after-sell service, prompt deliver.
3). We can provide various size and colors according to customers' requirements.
4). By long time testing, quality proved to be excellent.
5). Updated product design.
6). Advanced manufacturing process, with global standards.
7). We win by the high quality and then have a long-term business relationship.

Q7. How do you make our business long-term and good relationship?
1). We keep good quality and competitive price to ensure our customers benefit;
2). We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Our rubber seals are diverse and extensive, so if there is no item what you need, we encourage you to send the drawing or samples to us directly for more information.