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Valve

Probably one of the most underrated type of spare part on a espresso machine is the valve. A valve can be a variety of types. ranging from non return valves, expansion valves, vacuum valves and boiler safety valves. All with their own purpose. If you have a Faema, Rocket, Marzocco, Astoria or just a small Rancilio Silvia you will always find these items on them. Below you will find a selection of these valves

Espresso machine parts - Valve

Safety valve 3/8" 2.0 bar CE PED IV certified

The most important part on a espresso machine is the safety valve. This part prevents that a boiler can explode. The safety valve will open up when the pressure inside the boiler becomes too high. This specific safety valve is made out of brass. The thread type used for this safety valve is 3/8”BSP-G. The calibrated pressure of the valve is 2.0 bar, this...
€12.87

Safety valve 3/8" 1,8bar CE PED IV

The boiler safety valve shown on this page can mainly be found on La Pavoni espresso machine boilers. The La Pavoni part reference for this item is 395221G This boiler safety valve has a male 3/8” BSP-G thread. The pre-set pressure is 1,8 bar and nonadjustable. The seal used is a FKM seal, when opened the steam outlet is 872 L/M. This valve is CE and PED...
€10.58

Expansion valve 1/8"F 10-14bar adjustable

On this product page you will find a espresso machine expansion valve. This model of expansion valve can be used on various domestic espresso machine manufacturers such as Pavoni and Rocket. For Rocket the part reference is C229900911, the Pavoni part reference is 453212 This expansion valve has been made from brass. The fitting used is a male 1/8”...
€21.88

Safety valve 1/4" 1,8 bar

The boiler safety valve on this page can be used on various La Cimbali espresso machines. This valve has a male ¼” BSP-G thread. It has been calibrated at a pressure of 1,8. This valve is a adjustable model. Inside the valve is a FKM seal and a stainless-steel spring. This valve is not certified. Made in Italy You can use this valve on the Cimbali on the...
€9.19

Astoria/Wega Safety valve cover base

The item on this product page is a safety valve protective cover, if the safety valves opens this valve will drain the water coming out of the valve to the drain. This cover is a OEM/Original Astoria CMA spare part, so you can use this item on various espresso machine brands such as Astoria and Wega. The Astoria part reference number is 56009980 and the...
€2.77

Expansion valve gasket 15/6x10mm

The expansion valve gasket shown on this page is a generic item. You can find it in the catalogue of a variety of espresso machine manufacturers. The gasket is a flat NBR gasket with a pin at the end. The widest section of the gasket has a diameter of 15mm and the pin has a diameter of 6mm. The total height for the gasket is 10mm. Which espresso machine...
€1.34

Non return valve 3/8M - out 3/8M

The item on this page is a non return valve. This non return valve is a general spare part and can be used on various applications. This valve is made from brass hex square stock of 21mm. on each side is a male 3/8” BSP-G thread. The total length of this non return valve is 61mm. The item has been made in Italy.
€22.12

La San Marco Safety valve M18x1.5mm 1.8 bar

The boiler safety valve shown on this product page is used on various older La San Marco espresso machines. The part reference of La San Marco for this item is 205426. This safety valve has a male metric thread of M18 with a pitch of 1,5mm. The boiler safety valve has been calibrated on a pressure of 1,8 bar. It is capable to release 6,3 KG/H of steam....
€24.80

Safety valve 3/8"m 1.8bar CE/PED

The boiler safety valve is used on a variety of espresso machine brands such as San Marco, La Scala, Nuova Simonelli, Victoria Arduino and Gaggia. The Gaggia part reference for this item is WGADM1380/003, the Nuova Simonelli part references are 98013001, 98013000  and 98013022. For San Marco the references are 205426 and CSCSIC0020. The Victoria...
€27.61

Non return valve 1/8" MM npt

The item on this product page is a non return valve. This non return valve can be used on variety of espresso machine brands such as Gaggia, Saeco and Rocket. The Gaggia part reference is WGA5001015000, the Saeco part reference is WGA5001015000 and the Rocket part reference is C229900540.  This non return valve has been made from brass. The...
€13.64

Boiler safety valve 3/8" 1.8 bar CE-PED

The boiler safety valve shown on this page can be used on wide selection of espresso brands such as Brasilia, Wega, Astoria, Grimac, Cimbali, Faema, Marzocco and Carimali. The part references can be found on the extra info tab. This boiler safety valve has a male 3/8” BSP-G thread. The safety valve has been set at 1,8 bar, this is not adjustable. When the...
€22.82
There we will explain the purpose of the use of valves on espresso machines listed on this category page.

Vacuum Valve

The vacuum valve is the latest type of valve used on coffee machines. This valve remains open during heating of the coffee machine boiler, so that the false air can escape. Once this "false" air has been relaised the valve is closed with the pressure of the boiler. This prevents that your pressure switch kicks in too early.

Expansion valve

This valve is used to release the pressure of the hydraulic system, when the pump is running. In some cases this is set at a fixed pressure, but in a lot of cases this valve can be adjusted.

Non Return valve

The name might already indicate what type of valve this is, a valve where water can only flow into one direction. You will find this for example before a heat exchanger tube, so that the heated water won't flow back to other parts in the machine

Safety valve

This might be one of the most crucial components in a espresso mahcine. The boiler safety valve. This is the last part in a espresso machine which can prevent a catastrophe. When your other safety devices such as a pressure switch and thermostat have failed, your heating element will keep heating, so the pressure will also increase. The only solution is to relief this pressure from the boiler, that is what the boiler safety valve does. Do replace this part every 2 year, recommended by the manufacturers.