summer, long-term use of solar water heaters should be how to care for?

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solar powered air conditioner - China Manufacturer

Thank you for inquiry my solar powered air conditioner, Tel:+86-574-27721005, Email:info@chinasolarspower.com

http://www.chinasolarspower.com/key-solar-powered-air-conditioners-5/

High efficiency vacuum tube solar water heater endothermic summer sunny days, less than two days the water temp erature up to the boiling point. Without water for a long time, will make the tank for a long time at a high temperature state under high pressure, it will promote the aging of the seals, accelerated insulation materials - polyurethane aging, shrinking, sometimes caused by the exhaust is not blocked, the pressure is too much also the tank swelling bad, and will to furring shorten the life of the tank.solar heating systems
Therefore, if you travel, tourism, or long-term home, you should arrange for someone else often exothermic the Water cold water, or placed on the vacuum tube collectors covering block the sun, to be home before removing. Also vacuum tube can be removed after the home saved, then install (such maintenance under normal circumstances to be re-used less than its potential safety hazard, the user can not dismantle, if necessary, with the local solar water heater Contact dealer o r solar company coordinating disassembly).evacuated tube solar water heater

Nut: with internal thread hole

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shooting nail - China Manufacturer

Thank you for inquiry my shooting nail, Tel:0086-574-6356 1872, Email:aviva@bebon-fastener.com

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the general shape was flat hexagonal column, there are Chengbian square cylindrical or flat cylindrical, with screw
Bolt, stud or machine screws for fastening connecting the two parts, so as a whole.
(5) self-tapping screws: Si milar to the machine screws, screw thread dedicated self-tapping screw thread. For fastening even
Then two thin metal member, as a whole, the member prior Built orifice, since such a screw with
With high hardness, can be screwed directly into the holes of the member, the member is formed in the inner thread of the response. This connection forms
Are detachable connection.

concrete drop in anchors

6 wood screws: Similar to the machine screws, wood screws on the screw thread is special rib can be screwed directly
Into the wood elements (or parts), with a through hole of a metal (or non-metallic) Part with a wood elements for tight
Solid connection. This connection is also part of the connection can be removed.
7 washers: the shape of the oval ring fasteners. Support surface placed bolts, screws or nuts and connecting parts list
Between the surfaces, plays an increase is not the surface of the connecting part to the contact surface area, reduce the pressure per unit area and protection of connecting part
Damaged; another type of elastic washers, but also plays a role to prevent the nut back loose.
Collar: for mounted on the shaft of the machinery, equipment slots or holes slot, play and move around the block parts on the shaft or hole for
With.
Off: for parts positioning, and some parts are also available for connection to fixed pa rts, power transmission or other fastening lock
Piece of.

automatic load sensing power switch

The seat load in predetermined static

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pneumatic solenoid valve - China Manufacturer

Thank you for inquiry my pneumatic solenoid valve, Tel:0086-574-88869817, Email:jelpc@jelpc.com

http://www.jelpc.com/key-pneumatic-solenoid-valve-17/

conditions, the net between the closure element and the valve seat contact force. In fact, for a given control valve, the actuator selection is the need for a large force to overcome the static, the stem and the dynamic unbala nce force, and left a margin to a seat load based.

Valve seat ring: a part of the body assembly, closure components provide the seating surface and fluid control port

Spring the adjustment pieces: a pipe, usually spin on the actuator stem or screwed into the bracket inside to adjust the amount of compression spring.solenoid valve air

The spring seat: a plate, holding the spring in place and to provide a way for a plane contacted by the spring adjustment member.

Static unbalance force: under the conditions of a predetermined pressure, and the fluid in a stationary state, since the net force generated by the fluid pressure acting on the closure element and the stem. Stem connections: connecting the actuator stem to the valve stem.

Trim: regulating the charged fluid valve internal parts. Through the valve body, valve parts typically include closure components, s eat ring, cage, valve stem and valve stem pin. Trim, soft seat: with elastic, plastic, or other material easy to deform trim, with the closure component or seat ring, with a minimum of implementing agencies to achieve tight closure.pneumatic control valves