MKRS BURKERT | Alldatasheet
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Technical content
Visit product website DATA SHEET 1000285116 | Standard | EU | en | 202107 | 02 Redundancy valve block for safety related shut-off function
- Redundancy functions possible
- Pressure switch included
- DIN-rail mounting The Type MKRS extended the various usability of valve island Type 8640 as well as the automation system Type 8644. With new Type MKRS in combi- nation with valve types 6524 and 6525 redundancy valve functions can be installed. Thereby according to machinery directives EN ISO 13849 higher safety functionalities up to performance level d can be reached. Product variants described in the data sheet may differ from the product presentation and description. Type description Type MKRS © Christian Bürkert GmbH & Co. KG, Subject to alteration
2 | 6Visit product website Table of contents 1. Gener al technical data 3 1.2. Valves 1.3. Diaphr agm pressure switch 2. Materials 4 3. Dimensions 4 P roduct operation 5. Or dering information 5 5.2. Bürkert product filter 5.3. Or dering chart standard version
3 | 6Visit product website 1. Gener al technical data 1.1. V alve block Product properties Dimensions Detailed information can be found in chapter “3. Dimensions” on page 4. Materials Body Aluminium anodized Electrical data Protection class 3 acc. to VDE 0580 Process/Port connection & communication Supply port connection D8 Working port D6 Environment and installation Degree of protection IP20 Installation Any, preferably horizontal on the DIN-rail 1.2. V alves Product properties Dimensions Detailed information can be found in chapter “3. Dimensions” on page 4. Materials Body PA Circuit function 3/2 way valve (normally closed) Performance data Power consumption 0.8 W Pilot pressure 2.5…10 bar Manual override No Response times 1.) Opening: 15 ms, Closing: 20 ms Electrical data Oper ating voltage 24 V Medium data Medium Lubricated, non-lubricated and dry compressed air; neutral gases (5μm filter recommended) Medium temperature - 10…+ P rocess/Port connection & communication Electr. connection Circular connector M8 Environment and installation Ambient temperature - 10…+ 1.) Measuring acc. to ISO 12238 1.3. Diaphr agm pressure switch Product properties Dimensions Detailed information can be found in chapter “3. Dimensions” on page 4. Materials Body Steel zinc-coated, CrVI-free Seal NBR Function Opener (normally closed) Adjustment range (tolerance at room temperature) 1…10 bar 0.5 bar) P erformance data Switching frequency < 200/min- 1 Electrical data Operating voltage Max. 42 V Process/Port connection & communication Electr. Connection Screw connection M3
4 | 6Visit product website 2. Mat erials 2.1. Chemical Resistance Char t – Bürkert resistApp Bürkert resistApp – Chemical Resistance Chart You want to ensure the reliability and durability of the materials in your individual application case? V erify your combination of media and materials on our website or in our resistApp. Start Chemical Resistance Check 3. Dimensions Note: Dimensions in mm 19 30 30 26 152 21.5 Figure with DIN-rail
5 | 6Visit product website 4. P roduct operation 4.1. Pneumatic cir cuit diagram P in outout R (3) P 1 31 -V1 1 -E1 -P1 -A1 2 1 1 31 -V2 1 -E2 -A2 2 1 1 1 2 1 -V3 -E3 -A3 131 1 1 -V4 -E4 -A4 -BlockMR V1.1 in 2 1 1 2 in outoutin 5. Or dering information 5.1. Bürk ert eShop – Easy ordering and quick delivery Bürkert eShop – Easy ordering and fast delivery You want to find your desired Bürkert product or spare part quickly and order dir ectly? Our online shop is available for you 24/7. Sign up and enjoy all the benefits. Order online now 5.2. Bürk ert product filter Bürkert product filter – Get quickly to the right product You want to select products comfortably based on your technical requirements? Use the Bürkert product filter and find suitable articles for your application quickly and easily Try out our product filter 5.3. Or dering chart standard version Description Quantity of valve slots Quantity of re- dundancy valves Pressure montoring in the P-channel Pressure monitoring per valve External pilot air Article no. upstream valve downstream valve Fully equipped 4 4 yes yes yes yes 287280 Partly equipped 4 2 yes yes yes yes 287281
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