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Valve Rod Guide (Lower), Mud Pump Fluid End AH36001-05A.05.00 GH3161-05.05.00 RS11306.05.26.00 RGF1000-05.27.00
Valve Rod Guide (Lower) was used in Mud Pump Fluid End.
Valve rod guide(lower) is installed in the inner chamber of the hydraulic cylinder ,for centering and positioning the suction valve body assembly.The guide consists of the guide way and the inner sleeve embedded in the guide way.The material of the guide way is ZG35CrMo, and the inner sleeve is treated by 20CrMnTi carburization and quenching.
Upper and lower valve guides are important parts for the fluid end
of mud pump in oil drilling. The upper type acts as a connector of
valve spring and valve cover inside the hydraulic cylinder. It
plays a guiding role in valve operation. The lower one is a
connector of valve spring and hydraulic cylinder inside the
cylinder. It has the function of fixing and guiding the valve
operation.
In most types of reciprocating engines, a valve guide is provided
for each poppet valve in the cylinder head. Along with the valve
spring, it serves to positively locate the valve so that it may
make proper contact with the valve seat. A valve guide is a
cylindrical piece of metal, pressed or integrally cast into the
cylinder head, with the valve reciprocating inside it. Guides also
serve to conduct heat from the combustion process out from the
exhaust valve and into the cylinder head where it may be taken up
by the cooling system. Bronze is commonly used, as is steel; a
balance between stiffness and wear on the valve is essential to
achieve a useful service life.
Mud Pump Parts Model We Can Do
BOMCO | F-500 | F-800 | F-1000 | F-1300 | F-1600 | F-1600HL | F-1600L | F-2200HL |
Hong Hua | HHF-500 | HHF-800 | HHF-1300 | HHF-1600 | 3NB-1600F | 5NB-1600 | 5NB-2400 | |
HRSB | RSF-1300 | RSF-1600 | ||||||
RG | RGF-800 | RGF-1000 | RGF-1300 | RGF-1600 | ||||
Lanzhou | 3NB1000C | 3NB1300C | 3NB1600F | 3NB1600L | ||||
EMSCO | F-500 | F-800 | F-1000 | F-1300 | F-1600 | FD-1000 | FC-2200 | FB-1300 |
Gardner Denver | PAH | P7 | P8/9 | P10/11 | ||||
National | 7-P-50 | 8-P-80 | 9-P-100 | 10-P-130 | 12-P-160 | 14-P-200 | 14-P-220 | |
Oilwell | A-850-PT | A-1100-PT | A-1400-PT | A-1700-PT | ||||
TSC | WF-500 | WF-800 | WF-1000 | WF-1300 | WF-1600 | WF-2000 | WF-2200 | |
IDECO | T-500 | T-800 | T-1000 | T-1300 | T-1600 | |||
RUSSIA | UNBT-1180L | UNBT-950A | UNB-600 |
Over time, the inner diameter of the valve guide and the outer
diameter of the valve stem may become worn. In the 1980s, many U.S.
production engine remanufacturers began reaming valve guides,
rather than replacing them, as part of their remanufacturing
process. They found that by reaming all the valve guides in a head
to one standard size (typically 0.008 in. diametrically oversized),
and installing remanufactured engine valves having stems that are
also oversized, a typical engine head can be remanufactured in much
less time.[1] Since the reaming process leaves the valve guide with
a much better surface finish and shape than typical replacement
guides, and since the oversize valves often have chrome plated
stems, remanufacturers also discovered that valve train warranty
issues are virtually eliminated.
The clearance between the inner diameter of the valve guide and the
outer diameter of the poppet valve stem is critical for the proper
performance of an engine. If there is too little clearance, the
valve may stick as oil contaminants and thermal expansion become
factors. If there is too much clearance, the valve may not seat
properly and excessive oil consumption can occur.
Studies have been conducted which show that through the proper
selection of the reamer and reaming process, valves guides can be
quickly and efficiently reamed to a consistently repeatable size.
FAQ
1) How can I place order?
A: You can contact us by email about your order details, or place
order on line.
2) How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T is the
most usual ways we are using.
3) What's the order procedure?
A: First we discuss order details, production details. Then we
issue you an PI for your confirmation. You will be requested to do
pr-e paid full payment or deposit before we go into production.
After we get the deposit, we start to process the order. We usually
need 15-25 days if we don't have the items in stock. Before
production has been finished, we will contact you for shipment
details, and the balance payment. After payment has been settled,
we start to prepare the shipment for you.
4) How do you take care when your clients received defective
products?
A: replacement. If there are some defective items, we usually
credit to our customer or replace in next shipment.
5) How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection. We
check the goods when they go into next step production procedure.
More customer view:52-EmscoFC1300-yindapump.com.pdf